System Context

Product and cybersecurity architecture understanding package generated from Markdown-derived requirements.

Last updated: 2026-06-29 11:49
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System Context

Product and cybersecurity architecture understanding package generated from Markdown-derived requirements.

Product/System Context Diagram

flowchart LR OEM["OEM customer / vehicle manufacturer"] Supplier["Supplier security engineering"] subgraph Vehicle["Vehicle or ECU context"] ECU["Electric Clutch Actuator ECU"] Network["Vehicle networks and other ECUs"] end Backend["Backend / cloud / IT systems"] Diag["Diagnostic and service tools"] Dev["Development / ALM / evidence tools"] SecOps["Security operations / monitoring"] OEM -->|requirements, approval, residual risk| Supplier Supplier -->|software, security concept, evidence| OEM ECU <--> |signals, messages, SecOC or SDT data| Network Diag -->|UDS, authentication, programming| ECU Backend -->|updates, certificates, logs| ECU Dev -->|builds, tests, traceability| Supplier ECU -->|security events and evidence| SecOps SecOps -->|vulnerability and incident feedback| Supplier
Mermaid source 
flowchart LR
  OEM["OEM customer / vehicle manufacturer"]
  Supplier["Supplier security engineering"]
  subgraph Vehicle["Vehicle or ECU context"]
    ECU["Electric Clutch Actuator ECU"]
    Network["Vehicle networks and other ECUs"]
  end
  Backend["Backend / cloud / IT systems"]
  Diag["Diagnostic and service tools"]
  Dev["Development / ALM / evidence tools"]
  SecOps["Security operations / monitoring"]
  OEM -->|requirements, approval, residual risk| Supplier
  Supplier -->|software, security concept, evidence| OEM
  ECU <--> |signals, messages, SecOC or SDT data| Network
  Diag -->|UDS, authentication, programming| ECU
  Backend -->|updates, certificates, logs| ECU
  Dev -->|builds, tests, traceability| Supplier
  ECU -->|security events and evidence| SecOps
  SecOps -->|vulnerability and incident feedback| Supplier

Product System Context

System Context

Classification: Inferred from Requirements

The context is an automotive ECU/component security engineering scope embedded in a vehicle ecosystem and surrounded by supplier, OEM/customer, diagnostic, backend, tooling, and security-operations actors.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0001; RFQX-1001379436-P10-000-01-0002; RFQX-1001379436-P10-000-01-0003; RFQX-1001379436-P10-000-01-0004; RFQX-1001379436-P10-000-01-0005; RFQX-1001379436-P10-000-01-0006; RFQX-1001379436-P10-000-01-0007; RFQX-1001379436-P10-000-01-0008; RFQX-1001379436-P10-000-01-0009; RFQX-1001379436-P10-000-01-0010 (sample: 10 of 627)
  • Source document: source document page 3; source document page 5; source document page 6; source document page 7; source document page 8; source document page 9; source document page 10; source document page 11(sample: 8 of 159)
  • Confidence level: Low
  • Classification: Inferred from Requirements

See generated RFQX evidence for the rendered context view.

Architecture System Context

System Context

Classification: Inferred from Requirements

The context view positions the Electric Clutch Actuator ECU in the vehicle, supplier, OEM/customer, diagnostic, backend, PKI, tooling, and security-operations ecosystem.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0001; RFQX-1001379436-P10-000-01-0002; RFQX-1001379436-P10-000-01-0003; RFQX-1001379436-P10-000-01-0004; RFQX-1001379436-P10-000-01-0005; RFQX-1001379436-P10-000-01-0006; RFQX-1001379436-P10-000-01-0007; RFQX-1001379436-P10-000-01-0008; RFQX-1001379436-P10-000-01-0009; RFQX-1001379436-P10-000-01-0010 (sample: 10 of 641)
  • Source document: source document page 3; source document page 5; source document page 6; source document page 7; source document page 8; source document page 9; source document page 10; source document page 11(sample: 8 of 163)
  • Confidence level: Low
  • Classification: Inferred from Requirements

External Actors

OEM/customer cybersecurity approval and evidence interface

Classification: Explicit Requirement

  • Actor/interface type: Customer
  • Connected elements: Supplier security engineering -> vehicle manufacturer/OEM/customer
  • Role: Exchange cybersecurity concept, method, results, residual-risk position, verification evidence, and approval decisions.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0001; RFQX-1001379436-P10-000-01-0002; RFQX-1001379436-P10-000-01-0003; RFQX-1001379436-P10-000-01-0005; RFQX-1001379436-P10-000-01-0007; RFQX-1001379436-P10-000-01-0008; RFQX-1001379436-P10-000-01-0009; RFQX-1001379436-P10-000-01-0010; RFQX-1001379436-P10-000-01-0011; RFQX-1001379436-P10-000-01-0012 (sample: 10 of 187)
  • Source document: source document page 3; source document page 5; source document page 6; source document page 7; source document page 8; source document page 9; source document page 10; source document page 11(sample: 8 of 81)
  • Confidence level: Medium
  • Classification: Explicit Requirement

Diagnostic/service tool to ECU interface

Classification: Explicit Requirement

  • Actor/interface type: Diagnostic
  • Connected elements: Diagnostic/service tool -> ECU diagnostic server/security services
  • Role: Provide service, maintenance, programming, and authenticated diagnostic access.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0029; RFQX-1001379436-P10-000-01-0030; RFQX-3299216-1-0107; RFQX-3299216-1-0126; RFQX-3299216-1-0127; RFQX-CVS123-2-0005; RFQX-CVS123-2-0006; RFQX-CVS123-2-0007; RFQX-CVS123-2-0008; RFQX-CVS123-2-0009 (sample: 10 of 640)
  • Source document: source document page 8; source document page 23; source document page 25; source document page 4; source document page 5; source document page 6; source document page 7; source document page 9(sample: 8 of 151)
  • Confidence level: Low
  • Classification: Explicit Requirement

Vehicle network secure data communication interface

Classification: Inferred from Requirements

  • Actor/interface type: Vehicle Network
  • Connected elements: Other ECUs / vehicle network <-> product ECU/application
  • Role: Exchange vehicle-function data, protected messages, counters, and stateful request/response traffic.

Evidence Basis:

  • Related requirements: RFQX-3299216-1-0006; RFQX-3299216-1-0079; RFQX-3299216-1-0088; RFQX-3299216-1-0094; RFQX-3299216-1-0095; RFQX-3299216-1-0100; RFQX-3299216-1-0135; RFQX-3299216-1-0164; RFQX-3299216-1-0167; RFQX-3299216-1-0170 (sample: 10 of 251)
  • Source document: source document page 4; source document page 20; source document page 22; source document page 23; source document page 27; source document page 31; source document page 33; source document page 9(sample: 8 of 59)
  • Confidence level: Low
  • Classification: Inferred from Requirements

Secure update, flash, and IVD interface

Classification: Inferred from Requirements

  • Actor/interface type: Backend
  • Connected elements: Update/flash backend or programming tool -> ECU update/boot/security services
  • Role: Deliver and verify software updates, flash programming content, and integrity validation data.

Evidence Basis:

  • Related requirements: RFQX-3299216-1-0176; RFQX-CVS123-2-0001; RFQX-CVS123-2-0004; RFQX-CVS123-2-0006; RFQX-CVS123-2-0007; RFQX-CVS123-2-0008; RFQX-CVS123-2-0013; RFQX-CVS123-2-0023; RFQX-CVS123-2-0026; RFQX-CVS123-2-0030 (sample: 10 of 131)
  • Source document: source document page 34; source document page 1; source document page 4; source document page 6; source document page 7; source document page 9; source document page 10; source document page 11(sample: 8 of 56)
  • Confidence level: Low
  • Classification: Inferred from Requirements

Certificate and key provisioning interface

Classification: Explicit Requirement

  • Actor/interface type: Backend
  • Connected elements: PKI/provisioning authority -> ECU security services / HSM
  • Role: Provision, validate, and manage certificates, trust anchors, and cryptographic key material.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0041; RFQX-1001379436-P10-000-01-0042; RFQX-CVS123-2-0090; RFQX-CVS123-2-0112; RFQX-CVS123-2-0113; RFQX-CVS123-2-0295; RFQX-CVS123-2-0296; RFQX-CVS124-0072; RFQX-CVS124-0118; RFQX-CVS124-0119 (sample: 10 of 125)
  • Source document: source document page 9; source document page 14; source document page 16; source document page 37; source document page 22; source document page 30; source document page 34; source document page 40(sample: 8 of 40)
  • Confidence level: Low
  • Classification: Explicit Requirement

Backend/cloud/IT operational interface

Classification: Inferred from Requirements

  • Actor/interface type: Cloud
  • Connected elements: Backend/cloud/IT systems <-> supplier/OEM/product lifecycle processes
  • Role: Support offboard functions such as update coordination, evidence storage, monitoring, vulnerability handling, or supplier portals.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0001; RFQX-1001379436-P10-000-01-0002; RFQX-1001379436-P10-000-01-0003; RFQX-1001379436-P10-000-01-0004; RFQX-1001379436-P10-000-01-0005; RFQX-1001379436-P10-000-01-0006; RFQX-1001379436-P10-000-01-0007; RFQX-1001379436-P10-000-01-0008; RFQX-1001379436-P10-000-01-0012; RFQX-1001379436-P10-000-01-0013 (sample: 10 of 1033)
  • Source document: source document page 3; source document page 5; source document page 6; source document page 7; source document page 8; source document page 9; source document page 10; source document page 11(sample: 8 of 230)
  • Confidence level: Low
  • Classification: Inferred from Requirements

Development, ALM, and evidence tooling interface

Classification: Explicit Requirement

  • Actor/interface type: Tooling
  • Connected elements: Engineering tools / ALM / CI / test systems -> evidence and release artifacts
  • Role: Create, verify, trace, review, and archive security engineering evidence and released artifacts.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0001; RFQX-1001379436-P10-000-01-0002; RFQX-1001379436-P10-000-01-0003; RFQX-1001379436-P10-000-01-0005; RFQX-1001379436-P10-000-01-0006; RFQX-1001379436-P10-000-01-0008; RFQX-1001379436-P10-000-01-0014; RFQX-1001379436-P10-000-01-0015; RFQX-1001379436-P10-000-01-0018; RFQX-1001379436-P10-000-01-0019 (sample: 10 of 310)
  • Source document: source document page 3; source document page 5; source document page 6; source document page 7; source document page 8; source document page 9; source document page 10; source document page 12(sample: 8 of 130)
  • Confidence level: Low
  • Classification: Explicit Requirement

Security operations and vulnerability reporting interface

Classification: Explicit Requirement

  • Actor/interface type: Operational
  • Connected elements: Product/backend/security monitoring -> supplier and OEM security operations
  • Role: Move security events, vulnerabilities, penetration-test findings, and incident information into lifecycle handling.

Evidence Basis:

  • Related requirements: RFQX-1001379436-P10-000-01-0008; RFQX-1001379436-P10-000-01-0014; RFQX-1001379436-P10-000-01-0020; RFQX-1001379436-P10-000-01-0023; RFQX-1001379436-P10-000-01-0047; RFQX-1001379436-P10-000-01-0048; RFQX-1001379436-P10-000-01-0049; RFQX-1001379436-P10-000-01-0050; RFQX-1001379436-P10-000-01-0051; RFQX-1001379436-P10-000-01-0054 (sample: 10 of 32)
  • Source document: source document page 5; source document page 6; source document page 7; source document page 10; source document page 11; source document page 12; source document page 27; source document page 36(sample: 8 of 20)
  • Confidence level: Medium
  • Classification: Explicit Requirement