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:

See architecture/system_context.mmd 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:

External Actors

OEM/customer cybersecurity approval and evidence interface

Classification: Explicit Requirement

Evidence Basis:

Diagnostic/service tool to ECU interface

Classification: Explicit Requirement

Evidence Basis:

Vehicle network secure data communication interface

Classification: Inferred from Requirements

Evidence Basis:

Secure update, flash, and IVD interface

Classification: Inferred from Requirements

Evidence Basis:

Certificate and key provisioning interface

Classification: Explicit Requirement

Evidence Basis:

Backend/cloud/IT operational interface

Classification: Inferred from Requirements

Evidence Basis:

Development, ALM, and evidence tooling interface

Classification: Explicit Requirement

Evidence Basis:

Security operations and vulnerability reporting interface

Classification: Explicit Requirement

Evidence Basis: