Interface and Trust Boundary Matrix

This table is horizontally scrollable. Use the bottom scrollbar to view all columns.

Interface	Source	Target	Data / Control Flow	Trust Boundary	Security Controls	Open Decision
Vehicle Network Interface (CAN)	Transmission control / vehicle ECUs	ECA application software	CAN demand, PWM wake-up, actuator status and DTCs	Vehicle network to ECU	Signal validation, freshness, authenticity where allocated	Confirm topology, signal catalog and protection profile
Diagnostic Tester Interface	Service / engineering tester	ECA diagnostic server	UDS requests, Auth 0x29, sessions and programming	External service tool to ECU	Authentication, authorization, lockout, rate limiting and audit	Confirm role model and service whitelist
Software Update / Flash Interface	Programming tool or update backend	Bootloader / update logic	Signed packages, IVD data and programming results	Offboard update source to ECU	Signature validation, integrity checks, rollback control and logging	Confirm signing chain, rollback and backend owner
Key and Certificate Provisioning Interface	PKI / provisioning authority	ECA security services	Keys, certificates and trust anchors	Trust authority to ECU	Protected storage, certificate validation and lifecycle control	Confirm PKI owner, HSM capability and renewal/revocation
Secure Data Transfer Interface	Vehicle network peers	ECA security/application services	SecOC/SDT protected messages, counters and MACs	ECU-to-ECU data boundary	Freshness, replay protection, MAC verification and discard rules	Confirm message allocation and profile
Security Logging / Event Reporting Interface	ECA ECU	Backend / security operations	Security events, diagnostic attempts and update results	ECU to offboard operations	Event integrity, retention, access control and privacy treatment	Confirm upload path, retention and owner
Supplier Development / Evidence Interface	Supplier ALM / CI / test environment	Evidence repository and release process	Requirements, tests, builds, traceability and release artifacts	Engineering environment to evidence baseline	Access control, artifact integrity and audit trail	Confirm tool ownership and evidence retention
OEM Approval / Evidence Interface	Supplier security engineering	TRATON / OEM review board	Cybersecurity concept, V&V evidence, risks and decisions	Supplier to OEM governance boundary	Controlled evidence handoff and decision logging	Confirm approval workflow and residual-risk authority

Interface Trust Boundary Map

Mermaid source

flowchart TB
  subgraph ECU["ECA ECU trust boundary"]
    App["Application software"]
    Sec["Security services"]
    Boot["Bootloader / update logic"]
  end
  Vehicle["Vehicle network boundary"] -->|CAN / PWM / protected data| App
  Tester["Diagnostic service boundary"] -->|UDS Auth 0x29| Sec
  Backend["OEM backend boundary"] -->|signed update / logs| Boot
  PKI["PKI provisioning boundary"] -->|keys / certificates| Sec
  Tooling["Supplier engineering boundary"] -->|software / evidence| Backend
  App -->|security events| Backend

Interface Risk Table

This table is horizontally scrollable. Use the bottom scrollbar to view all columns.

Interface	Trust Boundary	Protection Needed	Status
Vehicle Network Interface (CAN)	Vehicle network to ECU	Signal validation, freshness, authenticity where allocated	Requires Confirmation
Diagnostic Tester Interface	External service tool to ECU	Authentication, authorization, lockout, rate limiting and audit	Requires Confirmation
Software Update / Flash Interface	Offboard update source to ECU	Signature validation, integrity checks, rollback control and logging	Requires Confirmation
Key and Certificate Provisioning Interface	Trust authority to ECU	Protected storage, certificate validation and lifecycle control	Requires Confirmation
Secure Data Transfer Interface	ECU-to-ECU data boundary	Freshness, replay protection, MAC verification and discard rules	Requires Confirmation
Security Logging / Event Reporting Interface	ECU to offboard operations	Event integrity, retention, access control and privacy treatment	Requires Confirmation
Supplier Development / Evidence Interface	Engineering environment to evidence baseline	Access control, artifact integrity and audit trail	Requires Confirmation
OEM Approval / Evidence Interface	Supplier to OEM governance boundary	Controlled evidence handoff and decision logging	Requires Confirmation

Detailed Interface Catalog

Interface Catalog

Interface: OEM/customer cybersecurity approval and evidence interface

Interface Type

Customer

Connected Elements

Supplier security engineering -> vehicle manufacturer/OEM/customer

Purpose

Exchange cybersecurity concept, method, results, residual-risk position, verification evidence, and approval decisions.

Data Exchanged

Requirements, risk assessment method/results, cybersecurity concept, control traceability, V&V evidence, residual-risk records.

Security Relevance

This interface governs acceptance of risk and evidence integrity; poor control here weakens the whole security case.

Required Protection

Access control, evidence integrity, versioning, audit trail, customer approval workflow, confidentiality for security-sensitive reports.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0040; REQ_SEC_0007; REQ_SEC_0025; REQ_SEC_0041; REQ_SEC_0042; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009 (showing 18 of 157)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005 (showing 10 of 157)
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Confidence level: Medium
Classification: Explicit Requirement

Interface: Diagnostic/service tool to ECU interface

Interface Type

Diagnostic

Connected Elements

Diagnostic/service tool -> ECU diagnostic server/security services

Purpose

Provide service, maintenance, programming, and authenticated diagnostic access.

Data Exchanged

UDS requests/responses, authentication data, certificates, session state, diagnostic security decisions, negative responses.

Security Relevance

Diagnostics can unlock privileged functions and therefore is a critical attack surface.

Required Protection

Authentication, authorization, secure session, certificate validation, rate limiting, replay protection, logging.

Requirement Basis

Related requirements: REQ_SEC_0010; REQ_SEC_0011; req-6.20; REQ-AUTO-00282; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00299; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306; REQ-AUTO-00307; REQ-AUTO-00310; REQ-AUTO-00311; REQ-AUTO-00312 (showing 18 of 385)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0010; REQ_SEC_0011; req-6.20; REQ-AUTO-00282; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298 (showing 10 of 385)
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Confidence level: Medium
Classification: Explicit Requirement

Interface: Vehicle network secure data communication interface

Interface Type

Vehicle Network

Connected Elements

Other ECUs / vehicle network <-> product ECU/application

Purpose

Exchange vehicle-function data, protected messages, counters, and stateful request/response traffic.

Data Exchanged

Signals, messages, SDT requests/responses, SecOC-protected data, freshness counters, authentication tags.

Security Relevance

Vehicle data authenticity, freshness, and optional confidentiality are central to safe function realization.

Required Protection

Message authentication, integrity, freshness, anti-replay, optional encryption, discard rules for malformed or unauthenticated data.

Requirement Basis

Related requirements: REQ-AUTO-00066; REQ-AUTO-00141; req-6.3; REQ-AUTO-00146; REQ-AUTO-00173; REQ-AUTO-00193; REQ-AUTO-00196; REQ-AUTO-00199; REQ-AUTO-00310; REQ-AUTO-00334; REQ-AUTO-00398; REQ-AUTO-00410; REQ-AUTO-00452; REQ-AUTO-00453; REQ-AUTO-00454; REQ-AUTO-00496; REQ_UDS-0028; REQ_UDS-0065 (showing 18 of 127)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00066; REQ-AUTO-00141; req-6.3; REQ-AUTO-00146; REQ-AUTO-00173; REQ-AUTO-00193; REQ-AUTO-00196; REQ-AUTO-00199; REQ-AUTO-00310; REQ-AUTO-00334 (showing 10 of 127)
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Confidence level: Medium
Classification: Inferred from Requirements

Interface: Secure update, flash, and IVD interface

Interface Type

Backend

Connected Elements

Update/flash backend or programming tool -> ECU update/boot/security services

Purpose

Deliver and verify software updates, flash programming content, and integrity validation data.

Data Exchanged

Software packages, signatures, IVD data, certificates, programming requests, update result logs.

Security Relevance

Update compromise can replace valid ECU behavior with attacker-controlled software.

Required Protection

Package authenticity, integrity validation, secure boot linkage, certificate validation, rollback policy, logging.

Requirement Basis

Related requirements: REQ-AUTO-00203; REQ-AUTO-00279; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306; REQ-AUTO-00307; REQ-AUTO-00311; REQ-AUTO-00312; REQ-AUTO-00313; REQ-AUTO-00322; REQ-AUTO-00323; REQ-AUTO-00324; REQ-AUTO-00326 (showing 18 of 81)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00203; REQ-AUTO-00279; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306 (showing 10 of 81)
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Confidence level: Medium
Classification: Inferred from Requirements

Interface: Certificate and key provisioning interface

Interface Type

Backend

Connected Elements

PKI/provisioning authority -> ECU security services / HSM

Purpose

Provision, validate, and manage certificates, trust anchors, and cryptographic key material.

Data Exchanged

Keys, certificates, trust anchors, certificate chains, key identifiers, validity metadata.

Security Relevance

Trust anchors and keys are high-value assets; compromise undermines authentication and secure communication.

Required Protection

Key protection, certificate validation, secure provisioning, authorization, audit, lifecycle controls.

Requirement Basis

Related requirements: REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00335; REQ-AUTO-00340; REQ-AUTO-00445; REQ_UDS-0038; REQ_UDS-0068; REQ_UDS-0070; REQ_UDS-0071; REQ_UDS-0072; REQ_UDS-0092; REQ-AUTO-00818; REQ-AUTO-00821; REQ-AUTO-00839; REQ-AUTO-00875; REQ-AUTO-00889; REQ-AUTO-00891; REQ-AUTO-00892 (showing 18 of 69)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00335; REQ-AUTO-00340; REQ-AUTO-00445; REQ_UDS-0038; REQ_UDS-0068; REQ_UDS-0070; REQ_UDS-0071; REQ_UDS-0072 (showing 10 of 69)
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Confidence level: Medium
Classification: Explicit Requirement

Interface: Backend/cloud/IT operational interface

Interface Type

Cloud

Connected Elements

Backend/cloud/IT systems <-> supplier/OEM/product lifecycle processes

Purpose

Support offboard functions such as update coordination, evidence storage, monitoring, vulnerability handling, or supplier portals.

Data Exchanged

Configuration, release data, software packages, logs, evidence, vulnerability records, security events.

Security Relevance

Backend compromise can affect update integrity, data confidentiality, and operational response.

Required Protection

Mutual authentication, transport encryption, authorization, audit logging, least privilege, vulnerability management.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ_SEC_0003; REQ_SEC_0022; REQ-AUTO-00009; REQ_SEC_0023; REQ-AUTO-00011; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0041; REQ_SEC_0042; REQ_SEC_0008; REQ_SEC_0009; REQ_SEC_0011 (showing 18 of 748)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ_SEC_0003; REQ_SEC_0022; REQ-AUTO-00009; REQ_SEC_0023; REQ-AUTO-00011; REQ_SEC_0024; REQ_SEC_0004 (showing 10 of 748)
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Confidence level: Medium
Classification: Inferred from Requirements

Interface: Development, ALM, and evidence tooling interface

Interface Type

Tooling

Connected Elements

Engineering tools / ALM / CI / test systems -> evidence and release artifacts

Purpose

Create, verify, trace, review, and archive security engineering evidence and released artifacts.

Data Exchanged

Requirements, source references, architecture decisions, test reports, traceability matrices, release evidence.

Security Relevance

Toolchain integrity determines whether software and evidence can be trusted.

Required Protection

Role-based access, artifact integrity, audit trail, change control, branch/release governance, credential protection.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0023; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0041; REQ_SEC_0008; REQ_SEC_0026; REQ_SEC_0027; REQ_SEC_0028; REQ_SEC_0029; REQ_SEC_0016; REQ_SEC_0015; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032 (showing 18 of 192)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0023; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0041; REQ_SEC_0008; REQ_SEC_0026; REQ_SEC_0027 (showing 10 of 192)
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Confidence level: Medium
Classification: Explicit Requirement

Interface: Security operations and vulnerability reporting interface

Interface Type

Operational

Connected Elements

Product/backend/security monitoring -> supplier and OEM security operations

Purpose

Move security events, vulnerabilities, penetration-test findings, and incident information into lifecycle handling.

Data Exchanged

Security events, logs, vulnerabilities, incident records, penetration-test findings, mitigations, risk treatment decisions.

Security Relevance

This is the feedback path for residual risk and field security issues.

Required Protection

Confidentiality, integrity, authenticated reporting, audit, incident workflow, retention controls.

Requirement Basis

Related requirements: REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0040; REQ_SEC_0041; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032; REQ_SEC_0033; REQ_SEC_0034; REQ_SEC_0035; REQ-AUTO-00051; REQ_SEC_0036; REQ_SEC_0037; REQ_SEC_0051; REQ-AUTO-00176; REQ-AUTO-00218; REQ-AUTO-00253 (showing 18 of 25)
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Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0040; REQ_SEC_0041; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032; REQ_SEC_0033; REQ_SEC_0034 (showing 10 of 25)
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Confidence level: Medium
Classification: Explicit Requirement

Interface: Application software to security services interface

Interface Type

Internal

Connected Elements

Application software -> security services / crypto / diagnostic access control

Purpose

Allow application behavior to request authentication, verification, secure communication, logging, and access-control decisions.

Data Exchanged

Requests, messages, state variables, verification results, authorization decisions, security events.

Security Relevance

This internal boundary determines whether application features consistently use security controls.

Required Protection

API authorization, fail-closed error handling, input validation, logging, secure key isolation.

Requirement Basis

Related requirements: REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ-AUTO-00011; REQ_SEC_0007; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009; REQ_SEC_0020; REQ_SEC_0010; REQ_SEC_0013; REQ-AUTO-00028; REQ-AUTO-00030; REQ_SEC_0028; REQ_SEC_0029; REQ_SEC_0006; REQ_SEC_0043 (showing 18 of 909)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 229)

Trust Boundary Crossing

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ-AUTO-00011; REQ_SEC_0007; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009; REQ_SEC_0020 (showing 10 of 909)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 229)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Hardware platform and key storage interface

Interface Type

Internal

Connected Elements

Security services -> hardware platform / protected storage / HSM where available

Purpose

Bind cryptographic operations, secure boot assumptions, and key storage to the ECU hardware platform.

Data Exchanged

Keys, certificates, boot measurements, software authenticity status, platform security state.

Security Relevance

Hardware-backed protection is expected where keys and platform integrity must survive software compromise.

Required Protection

Key isolation, access control, secure boot, debug restrictions, tamper-aware handling, audit.

Requirement Basis

Related requirements: REQ_SEC_0003; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0009; REQ_SEC_0010; REQ_SEC_0011; REQ_SEC_0026; REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00051; REQ_SEC_0047; REQ_SEC_0049; REQ_SEC_0050; REQ-AUTO-00060; REQ-AUTO-00061; REQ-AUTO-00065; REQ-AUTO-00077; REQ-AUTO-00099 (showing 18 of 139)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 4 (showing 8 of 81)

Trust Boundary Crossing

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ_SEC_0003; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0009; REQ_SEC_0010; REQ_SEC_0011; REQ_SEC_0026; REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00051 (showing 10 of 139)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 4 (showing 8 of 81)
Confidence level: Medium
Classification: Inferred from Requirements

External Interfaces

Interface: OEM/customer cybersecurity approval and evidence interface

Interface Type

Customer

Connected Elements

Supplier security engineering -> vehicle manufacturer/OEM/customer

Purpose

Exchange cybersecurity concept, method, results, residual-risk position, verification evidence, and approval decisions.

Data Exchanged

Requirements, risk assessment method/results, cybersecurity concept, control traceability, V&V evidence, residual-risk records.

Security Relevance

This interface governs acceptance of risk and evidence integrity; poor control here weakens the whole security case.

Required Protection

Access control, evidence integrity, versioning, audit trail, customer approval workflow, confidentiality for security-sensitive reports.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0040; REQ_SEC_0007; REQ_SEC_0025; REQ_SEC_0041; REQ_SEC_0042; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009 (showing 18 of 157)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 74)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005 (showing 10 of 157)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 74)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Diagnostic/service tool to ECU interface

Interface Type

Diagnostic

Connected Elements

Diagnostic/service tool -> ECU diagnostic server/security services

Purpose

Provide service, maintenance, programming, and authenticated diagnostic access.

Data Exchanged

UDS requests/responses, authentication data, certificates, session state, diagnostic security decisions, negative responses.

Security Relevance

Diagnostics can unlock privileged functions and therefore is a critical attack surface.

Required Protection

Authentication, authorization, secure session, certificate validation, rate limiting, replay protection, logging.

Requirement Basis

Related requirements: REQ_SEC_0010; REQ_SEC_0011; req-6.20; REQ-AUTO-00282; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00299; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306; REQ-AUTO-00307; REQ-AUTO-00310; REQ-AUTO-00311; REQ-AUTO-00312 (showing 18 of 385)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 133)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0010; REQ_SEC_0011; req-6.20; REQ-AUTO-00282; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298 (showing 10 of 385)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 133)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Vehicle network secure data communication interface

Interface Type

Vehicle Network

Connected Elements

Other ECUs / vehicle network <-> product ECU/application

Purpose

Exchange vehicle-function data, protected messages, counters, and stateful request/response traffic.

Data Exchanged

Signals, messages, SDT requests/responses, SecOC-protected data, freshness counters, authentication tags.

Security Relevance

Vehicle data authenticity, freshness, and optional confidentiality are central to safe function realization.

Required Protection

Message authentication, integrity, freshness, anti-replay, optional encryption, discard rules for malformed or unauthenticated data.

Requirement Basis

Related requirements: REQ-AUTO-00066; REQ-AUTO-00141; req-6.3; REQ-AUTO-00146; REQ-AUTO-00173; REQ-AUTO-00193; REQ-AUTO-00196; REQ-AUTO-00199; REQ-AUTO-00310; REQ-AUTO-00334; REQ-AUTO-00398; REQ-AUTO-00410; REQ-AUTO-00452; REQ-AUTO-00453; REQ-AUTO-00454; REQ-AUTO-00496; REQ_UDS-0028; REQ_UDS-0065 (showing 18 of 127)
Source sections/pages: converted/markdown-cleaned/3299216_1.md page 4; converted/markdown-cleaned/3299216_1.md page 22; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 31; converted/markdown-cleaned/3299216_1.md page 33; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 12 (showing 8 of 49)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00066; REQ-AUTO-00141; req-6.3; REQ-AUTO-00146; REQ-AUTO-00173; REQ-AUTO-00193; REQ-AUTO-00196; REQ-AUTO-00199; REQ-AUTO-00310; REQ-AUTO-00334 (showing 10 of 127)
Source Markdown sections/pages: converted/markdown-cleaned/3299216_1.md page 4; converted/markdown-cleaned/3299216_1.md page 22; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 31; converted/markdown-cleaned/3299216_1.md page 33; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 12 (showing 8 of 49)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Secure update, flash, and IVD interface

Interface Type

Backend

Connected Elements

Update/flash backend or programming tool -> ECU update/boot/security services

Purpose

Deliver and verify software updates, flash programming content, and integrity validation data.

Data Exchanged

Software packages, signatures, IVD data, certificates, programming requests, update result logs.

Security Relevance

Update compromise can replace valid ECU behavior with attacker-controlled software.

Required Protection

Package authenticity, integrity validation, secure boot linkage, certificate validation, rollback policy, logging.

Requirement Basis

Related requirements: REQ-AUTO-00203; REQ-AUTO-00279; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306; REQ-AUTO-00307; REQ-AUTO-00311; REQ-AUTO-00312; REQ-AUTO-00313; REQ-AUTO-00322; REQ-AUTO-00323; REQ-AUTO-00324; REQ-AUTO-00326 (showing 18 of 81)
Source sections/pages: converted/markdown-cleaned/3299216_1.md page 34; converted/markdown-cleaned/CVS123-2.md page 1; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 47)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00203; REQ-AUTO-00279; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306 (showing 10 of 81)
Source Markdown sections/pages: converted/markdown-cleaned/3299216_1.md page 34; converted/markdown-cleaned/CVS123-2.md page 1; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 47)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Certificate and key provisioning interface

Interface Type

Backend

Connected Elements

PKI/provisioning authority -> ECU security services / HSM

Purpose

Provision, validate, and manage certificates, trust anchors, and cryptographic key material.

Data Exchanged

Keys, certificates, trust anchors, certificate chains, key identifiers, validity metadata.

Security Relevance

Trust anchors and keys are high-value assets; compromise undermines authentication and secure communication.

Required Protection

Key protection, certificate validation, secure provisioning, authorization, audit, lifecycle controls.

Requirement Basis

Related requirements: REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00335; REQ-AUTO-00340; REQ-AUTO-00445; REQ_UDS-0038; REQ_UDS-0068; REQ_UDS-0070; REQ_UDS-0071; REQ_UDS-0072; REQ_UDS-0092; REQ-AUTO-00818; REQ-AUTO-00821; REQ-AUTO-00839; REQ-AUTO-00875; REQ-AUTO-00889; REQ-AUTO-00891; REQ-AUTO-00892 (showing 18 of 69)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/CVS123-2.md page 14; converted/markdown-cleaned/CVS123-2.md page 16; converted/markdown-cleaned/CVS123-2.md page 37; converted/markdown-cleaned/CVS124.md page 22; converted/markdown-cleaned/CVS124.md page 34; converted/markdown-cleaned/CVS124.md page 40; converted/markdown-cleaned/CVS151.md page 11 (showing 8 of 29)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00335; REQ-AUTO-00340; REQ-AUTO-00445; REQ_UDS-0038; REQ_UDS-0068; REQ_UDS-0070; REQ_UDS-0071; REQ_UDS-0072 (showing 10 of 69)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/CVS123-2.md page 14; converted/markdown-cleaned/CVS123-2.md page 16; converted/markdown-cleaned/CVS123-2.md page 37; converted/markdown-cleaned/CVS124.md page 22; converted/markdown-cleaned/CVS124.md page 34; converted/markdown-cleaned/CVS124.md page 40; converted/markdown-cleaned/CVS151.md page 11 (showing 8 of 29)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Backend/cloud/IT operational interface

Interface Type

Cloud

Connected Elements

Backend/cloud/IT systems <-> supplier/OEM/product lifecycle processes

Purpose

Support offboard functions such as update coordination, evidence storage, monitoring, vulnerability handling, or supplier portals.

Data Exchanged

Configuration, release data, software packages, logs, evidence, vulnerability records, security events.

Security Relevance

Backend compromise can affect update integrity, data confidentiality, and operational response.

Required Protection

Mutual authentication, transport encryption, authorization, audit logging, least privilege, vulnerability management.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ_SEC_0003; REQ_SEC_0022; REQ-AUTO-00009; REQ_SEC_0023; REQ-AUTO-00011; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0041; REQ_SEC_0042; REQ_SEC_0008; REQ_SEC_0009; REQ_SEC_0011 (showing 18 of 748)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 218)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ_SEC_0003; REQ_SEC_0022; REQ-AUTO-00009; REQ_SEC_0023; REQ-AUTO-00011; REQ_SEC_0024; REQ_SEC_0004 (showing 10 of 748)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 218)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Development, ALM, and evidence tooling interface

Interface Type

Tooling

Connected Elements

Engineering tools / ALM / CI / test systems -> evidence and release artifacts

Purpose

Create, verify, trace, review, and archive security engineering evidence and released artifacts.

Data Exchanged

Requirements, source references, architecture decisions, test reports, traceability matrices, release evidence.

Security Relevance

Toolchain integrity determines whether software and evidence can be trusted.

Required Protection

Role-based access, artifact integrity, audit trail, change control, branch/release governance, credential protection.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0023; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0041; REQ_SEC_0008; REQ_SEC_0026; REQ_SEC_0027; REQ_SEC_0028; REQ_SEC_0029; REQ_SEC_0016; REQ_SEC_0015; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032 (showing 18 of 192)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 110)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0023; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0041; REQ_SEC_0008; REQ_SEC_0026; REQ_SEC_0027 (showing 10 of 192)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 110)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Security operations and vulnerability reporting interface

Interface Type

Operational

Connected Elements

Product/backend/security monitoring -> supplier and OEM security operations

Purpose

Move security events, vulnerabilities, penetration-test findings, and incident information into lifecycle handling.

Data Exchanged

Security events, logs, vulnerabilities, incident records, penetration-test findings, mitigations, risk treatment decisions.

Security Relevance

This is the feedback path for residual risk and field security issues.

Required Protection

Confidentiality, integrity, authenticated reporting, audit, incident workflow, retention controls.

Requirement Basis

Related requirements: REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0040; REQ_SEC_0041; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032; REQ_SEC_0033; REQ_SEC_0034; REQ_SEC_0035; REQ-AUTO-00051; REQ_SEC_0036; REQ_SEC_0037; REQ_SEC_0051; REQ-AUTO-00176; REQ-AUTO-00218; REQ-AUTO-00253 (showing 18 of 25)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 36 (showing 8 of 16)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0040; REQ_SEC_0041; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032; REQ_SEC_0033; REQ_SEC_0034 (showing 10 of 25)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 36 (showing 8 of 16)
Confidence level: Medium
Classification: Explicit Requirement

Internal Interfaces

Interface: Application software to security services interface

Interface Type

Internal

Connected Elements

Application software -> security services / crypto / diagnostic access control

Purpose

Allow application behavior to request authentication, verification, secure communication, logging, and access-control decisions.

Data Exchanged

Requests, messages, state variables, verification results, authorization decisions, security events.

Security Relevance

This internal boundary determines whether application features consistently use security controls.

Required Protection

API authorization, fail-closed error handling, input validation, logging, secure key isolation.

Requirement Basis

Related requirements: REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ-AUTO-00011; REQ_SEC_0007; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009; REQ_SEC_0020; REQ_SEC_0010; REQ_SEC_0013; REQ-AUTO-00028; REQ-AUTO-00030; REQ_SEC_0028; REQ_SEC_0029; REQ_SEC_0006; REQ_SEC_0043 (showing 18 of 909)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 229)

Trust Boundary Crossing

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ-AUTO-00011; REQ_SEC_0007; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009; REQ_SEC_0020 (showing 10 of 909)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 229)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Hardware platform and key storage interface

Interface Type

Internal

Connected Elements

Security services -> hardware platform / protected storage / HSM where available

Purpose

Bind cryptographic operations, secure boot assumptions, and key storage to the ECU hardware platform.

Data Exchanged

Keys, certificates, boot measurements, software authenticity status, platform security state.

Security Relevance

Hardware-backed protection is expected where keys and platform integrity must survive software compromise.

Required Protection

Key isolation, access control, secure boot, debug restrictions, tamper-aware handling, audit.

Requirement Basis

Related requirements: REQ_SEC_0003; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0009; REQ_SEC_0010; REQ_SEC_0011; REQ_SEC_0026; REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00051; REQ_SEC_0047; REQ_SEC_0049; REQ_SEC_0050; REQ-AUTO-00060; REQ-AUTO-00061; REQ-AUTO-00065; REQ-AUTO-00077; REQ-AUTO-00099 (showing 18 of 139)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 4 (showing 8 of 81)

Trust Boundary Crossing

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ_SEC_0003; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0009; REQ_SEC_0010; REQ_SEC_0011; REQ_SEC_0026; REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00051 (showing 10 of 139)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 4 (showing 8 of 81)
Confidence level: Medium
Classification: Inferred from Requirements

Security-Relevant Interfaces

Interface: OEM/customer cybersecurity approval and evidence interface

Interface Type

Customer

Connected Elements

Supplier security engineering -> vehicle manufacturer/OEM/customer

Purpose

Exchange cybersecurity concept, method, results, residual-risk position, verification evidence, and approval decisions.

Data Exchanged

Requirements, risk assessment method/results, cybersecurity concept, control traceability, V&V evidence, residual-risk records.

Security Relevance

This interface governs acceptance of risk and evidence integrity; poor control here weakens the whole security case.

Required Protection

Access control, evidence integrity, versioning, audit trail, customer approval workflow, confidentiality for security-sensitive reports.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0040; REQ_SEC_0007; REQ_SEC_0025; REQ_SEC_0041; REQ_SEC_0042; REQ_SEC_0008; REQ-AUTO-00021; REQ_SEC_0009 (showing 18 of 157)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 74)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ-AUTO-00004; REQ-AUTO-00005; REQ-AUTO-00006; REQ_SEC_0003; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005 (showing 10 of 157)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 74)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Diagnostic/service tool to ECU interface

Interface Type

Diagnostic

Connected Elements

Diagnostic/service tool -> ECU diagnostic server/security services

Purpose

Provide service, maintenance, programming, and authenticated diagnostic access.

Data Exchanged

UDS requests/responses, authentication data, certificates, session state, diagnostic security decisions, negative responses.

Security Relevance

Diagnostics can unlock privileged functions and therefore is a critical attack surface.

Required Protection

Authentication, authorization, secure session, certificate validation, rate limiting, replay protection, logging.

Requirement Basis

Related requirements: REQ_SEC_0010; REQ_SEC_0011; req-6.20; REQ-AUTO-00282; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00299; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306; REQ-AUTO-00307; REQ-AUTO-00310; REQ-AUTO-00311; REQ-AUTO-00312 (showing 18 of 385)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 133)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0010; REQ_SEC_0011; req-6.20; REQ-AUTO-00282; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298 (showing 10 of 385)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 133)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Vehicle network secure data communication interface

Interface Type

Vehicle Network

Connected Elements

Other ECUs / vehicle network <-> product ECU/application

Purpose

Exchange vehicle-function data, protected messages, counters, and stateful request/response traffic.

Data Exchanged

Signals, messages, SDT requests/responses, SecOC-protected data, freshness counters, authentication tags.

Security Relevance

Vehicle data authenticity, freshness, and optional confidentiality are central to safe function realization.

Required Protection

Message authentication, integrity, freshness, anti-replay, optional encryption, discard rules for malformed or unauthenticated data.

Requirement Basis

Related requirements: REQ-AUTO-00066; REQ-AUTO-00141; req-6.3; REQ-AUTO-00146; REQ-AUTO-00173; REQ-AUTO-00193; REQ-AUTO-00196; REQ-AUTO-00199; REQ-AUTO-00310; REQ-AUTO-00334; REQ-AUTO-00398; REQ-AUTO-00410; REQ-AUTO-00452; REQ-AUTO-00453; REQ-AUTO-00454; REQ-AUTO-00496; REQ_UDS-0028; REQ_UDS-0065 (showing 18 of 127)
Source sections/pages: converted/markdown-cleaned/3299216_1.md page 4; converted/markdown-cleaned/3299216_1.md page 22; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 31; converted/markdown-cleaned/3299216_1.md page 33; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 12 (showing 8 of 49)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00066; REQ-AUTO-00141; req-6.3; REQ-AUTO-00146; REQ-AUTO-00173; REQ-AUTO-00193; REQ-AUTO-00196; REQ-AUTO-00199; REQ-AUTO-00310; REQ-AUTO-00334 (showing 10 of 127)
Source Markdown sections/pages: converted/markdown-cleaned/3299216_1.md page 4; converted/markdown-cleaned/3299216_1.md page 22; converted/markdown-cleaned/3299216_1.md page 23; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 31; converted/markdown-cleaned/3299216_1.md page 33; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 12 (showing 8 of 49)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Secure update, flash, and IVD interface

Interface Type

Backend

Connected Elements

Update/flash backend or programming tool -> ECU update/boot/security services

Purpose

Deliver and verify software updates, flash programming content, and integrity validation data.

Data Exchanged

Software packages, signatures, IVD data, certificates, programming requests, update result logs.

Security Relevance

Update compromise can replace valid ECU behavior with attacker-controlled software.

Required Protection

Package authenticity, integrity validation, secure boot linkage, certificate validation, rollback policy, logging.

Requirement Basis

Related requirements: REQ-AUTO-00203; REQ-AUTO-00279; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306; REQ-AUTO-00307; REQ-AUTO-00311; REQ-AUTO-00312; REQ-AUTO-00313; REQ-AUTO-00322; REQ-AUTO-00323; REQ-AUTO-00324; REQ-AUTO-00326 (showing 18 of 81)
Source sections/pages: converted/markdown-cleaned/3299216_1.md page 34; converted/markdown-cleaned/CVS123-2.md page 1; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 47)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00203; REQ-AUTO-00279; REQ-AUTO-00284; REQ-AUTO-00290; REQ_UDS-0051; REQ-AUTO-00297; REQ-AUTO-00298; REQ-AUTO-00302; REQ-AUTO-00303; REQ-AUTO-00306 (showing 10 of 81)
Source Markdown sections/pages: converted/markdown-cleaned/3299216_1.md page 34; converted/markdown-cleaned/CVS123-2.md page 1; converted/markdown-cleaned/CVS123-2.md page 4; converted/markdown-cleaned/CVS123-2.md page 6; converted/markdown-cleaned/CVS123-2.md page 7; converted/markdown-cleaned/CVS123-2.md page 9; converted/markdown-cleaned/CVS123-2.md page 10; converted/markdown-cleaned/CVS123-2.md page 11 (showing 8 of 47)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Certificate and key provisioning interface

Interface Type

Backend

Connected Elements

PKI/provisioning authority -> ECU security services / HSM

Purpose

Provision, validate, and manage certificates, trust anchors, and cryptographic key material.

Data Exchanged

Keys, certificates, trust anchors, certificate chains, key identifiers, validity metadata.

Security Relevance

Trust anchors and keys are high-value assets; compromise undermines authentication and secure communication.

Required Protection

Key protection, certificate validation, secure provisioning, authorization, audit, lifecycle controls.

Requirement Basis

Related requirements: REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00335; REQ-AUTO-00340; REQ-AUTO-00445; REQ_UDS-0038; REQ_UDS-0068; REQ_UDS-0070; REQ_UDS-0071; REQ_UDS-0072; REQ_UDS-0092; REQ-AUTO-00818; REQ-AUTO-00821; REQ-AUTO-00839; REQ-AUTO-00875; REQ-AUTO-00889; REQ-AUTO-00891; REQ-AUTO-00892 (showing 18 of 69)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/CVS123-2.md page 14; converted/markdown-cleaned/CVS123-2.md page 16; converted/markdown-cleaned/CVS123-2.md page 37; converted/markdown-cleaned/CVS124.md page 22; converted/markdown-cleaned/CVS124.md page 34; converted/markdown-cleaned/CVS124.md page 40; converted/markdown-cleaned/CVS151.md page 11 (showing 8 of 29)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0016; REQ_SEC_0019; REQ-AUTO-00335; REQ-AUTO-00340; REQ-AUTO-00445; REQ_UDS-0038; REQ_UDS-0068; REQ_UDS-0070; REQ_UDS-0071; REQ_UDS-0072 (showing 10 of 69)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/CVS123-2.md page 14; converted/markdown-cleaned/CVS123-2.md page 16; converted/markdown-cleaned/CVS123-2.md page 37; converted/markdown-cleaned/CVS124.md page 22; converted/markdown-cleaned/CVS124.md page 34; converted/markdown-cleaned/CVS124.md page 40; converted/markdown-cleaned/CVS151.md page 11 (showing 8 of 29)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Backend/cloud/IT operational interface

Interface Type

Cloud

Connected Elements

Backend/cloud/IT systems <-> supplier/OEM/product lifecycle processes

Purpose

Support offboard functions such as update coordination, evidence storage, monitoring, vulnerability handling, or supplier portals.

Data Exchanged

Configuration, release data, software packages, logs, evidence, vulnerability records, security events.

Security Relevance

Backend compromise can affect update integrity, data confidentiality, and operational response.

Required Protection

Mutual authentication, transport encryption, authorization, audit logging, least privilege, vulnerability management.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ_SEC_0003; REQ_SEC_0022; REQ-AUTO-00009; REQ_SEC_0023; REQ-AUTO-00011; REQ_SEC_0024; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0040; REQ_SEC_0025; REQ_SEC_0041; REQ_SEC_0042; REQ_SEC_0008; REQ_SEC_0009; REQ_SEC_0011 (showing 18 of 748)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 218)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm exact protocol, owner, endpoint, trust anchors, and operational responsibility.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0001; REQ_SEC_0002; REQ_SEC_0003; REQ_SEC_0022; REQ-AUTO-00009; REQ_SEC_0023; REQ-AUTO-00011; REQ_SEC_0024; REQ_SEC_0004 (showing 10 of 748)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11 (showing 8 of 218)
Confidence level: Medium
Classification: Inferred from Requirements

Interface: Development, ALM, and evidence tooling interface

Interface Type

Tooling

Connected Elements

Engineering tools / ALM / CI / test systems -> evidence and release artifacts

Purpose

Create, verify, trace, review, and archive security engineering evidence and released artifacts.

Data Exchanged

Requirements, source references, architecture decisions, test reports, traceability matrices, release evidence.

Security Relevance

Toolchain integrity determines whether software and evidence can be trusted.

Required Protection

Role-based access, artifact integrity, audit trail, change control, branch/release governance, credential protection.

Requirement Basis

Related requirements: REQ-AUTO-00001; REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0023; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0041; REQ_SEC_0008; REQ_SEC_0026; REQ_SEC_0027; REQ_SEC_0028; REQ_SEC_0029; REQ_SEC_0016; REQ_SEC_0015; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032 (showing 18 of 192)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 110)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ-AUTO-00001; REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0023; REQ_SEC_0004; REQ_SEC_0005; REQ_SEC_0041; REQ_SEC_0008; REQ_SEC_0026; REQ_SEC_0027 (showing 10 of 192)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 3; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 8; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 9; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12 (showing 8 of 110)
Confidence level: Medium
Classification: Explicit Requirement

Interface: Security operations and vulnerability reporting interface

Interface Type

Operational

Connected Elements

Product/backend/security monitoring -> supplier and OEM security operations

Purpose

Move security events, vulnerabilities, penetration-test findings, and incident information into lifecycle handling.

Data Exchanged

Security events, logs, vulnerabilities, incident records, penetration-test findings, mitigations, risk treatment decisions.

Security Relevance

This is the feedback path for residual risk and field security issues.

Required Protection

Confidentiality, integrity, authenticated reporting, audit, incident workflow, retention controls.

Requirement Basis

Related requirements: REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0040; REQ_SEC_0041; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032; REQ_SEC_0033; REQ_SEC_0034; REQ_SEC_0035; REQ-AUTO-00051; REQ_SEC_0036; REQ_SEC_0037; REQ_SEC_0051; REQ-AUTO-00176; REQ-AUTO-00218; REQ-AUTO-00253 (showing 18 of 25)
Source sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 36 (showing 8 of 16)

Trust Boundary Crossing

Yes

Confidence Level

Medium

Open Questions

Confirm implementation-specific parameters and ownership.

Evidence Basis:

Requirement IDs: REQ_SEC_0002; REQ-AUTO-00009; REQ_SEC_0040; REQ_SEC_0041; REQ_SEC_0044; REQ_SEC_0045; REQ_SEC_0046; REQ_SEC_0032; REQ_SEC_0033; REQ_SEC_0034 (showing 10 of 25)
Source Markdown sections/pages: converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 5; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 6; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 7; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 10; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 11; converted/markdown-cleaned/1001379436_P10_000_01_RDDM-1140152501-1744.md page 12; converted/markdown-cleaned/3299216_1.md page 27; converted/markdown-cleaned/3299216_1.md page 36 (showing 8 of 16)
Confidence level: Medium
Classification: Explicit Requirement

Additional PDF Security Evidence

Vulnerability and Incident Handling: Resolved; direct evidence IDs: REQ_SEC_0002, REQ_SEC_0030, REQ_SEC_0044, REQ_SEC_0045, REQ_SEC_0046, REQ_SEC_0032, REQ_SEC_0033, REQ_SEC_0034.
Secure communication: Improved; direct evidence IDs: REQ_SEC_0008, REQ_SEC_0011, REQ_SEC_0012, REQ_SEC_0013, REQ_SEC_0014, REQ_SEC_0026, REQ_SEC_0027, REQ_SEC_0016.
Inferred items remain labelled as inferred; no requirement basis was invented.

Interface Risks and Open Questions

Interface Open Questions

Inferred from Requirements: Vehicle network secure data communication interface needs customer confirmation for exact topology, ownership, and mechanism details.
Inferred from Requirements: Secure update, flash, and IVD interface needs customer confirmation for exact topology, ownership, and mechanism details.
Inferred from Requirements: Backend/cloud/IT operational interface needs customer confirmation for exact topology, ownership, and mechanism details.
Inferred from Requirements: Application software to security services interface needs customer confirmation for exact topology, ownership, and mechanism details.
Inferred from Requirements: Hardware platform and key storage interface needs customer confirmation for exact topology, ownership, and mechanism details.