Chip lifecycle / Vehicle cybersecurity lifecycle / Cybersecurity Specification & Design

Cybersecurity Specification & Design

Refining the concept into an architecture and component requirements: the hardware security module or secure element, secure boot, key management, secure onboard communication, gateway and firewall rules, secure diagnostics and debug, intrusion detection, logging and the secure update path, with the security requirements each chip, IP block and software component must meet, flowed down to suppliers.

Where this stage sits

This stage with its neighbours. Each row is a discipline active here, shaded by how mature its work is by the end of each stage.

Stage

^A04 Cybersecurity Goals & Concept

^A05 Cybersecurity Specification & DesignYou are here

^D06 Implementation & Integration Verification

Organisation, approval and support milestones

Cybersecurity engineering milestones

TATARA baselined CCCybersecurity concept approved DACybersecurity design approved IVIntegration verified

Cybersecurity management and governance^A

0.5

0.8

Supplier and interface management^A

0.5

0.8

Item definition, concept and architecture^A

0.5^A

0.8

Threat analysis and risk assessment^A

0.5

0.8

Hardware security and chip suppliers^A

0.5^A

0.8^D

Integration verification and testing^A

0.3

0.5

0.8^A

Validation and penetration testing^A

0.3

0.5

0.8

Type approval and homologation^A

0.3

0.5

Production security^A

0.0

0.3

0.5

Software update management^A

0.3

0.5

Key0.0Planned0.3Outlined0.5Analysed0.8Feature complete1.0CompleteFreezeFrozenFaded block: still at the step shown before it, Held below Complete or Maintained under change control once complete or frozenFreeze or sign-off pointMilestone for one item; the rest of the work carries onMilestone gateYou are here: Cybersecurity Specification & DesignAI impactDisruption (red)Augmentation (blue)Opportunity (green)How AI is changing the workWhat the steps mean What the codes mean

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Stages

Cybersecurity Goals & Concept^A
Cybersecurity Specification & Design (this stage)^A
Implementation & Integration Verification^D

Organisation, approval and support milestones

Cybersecurity engineering milestones

Disciplines

Cybersecurity management and governance^A
- Cybersecurity Goals & Concept: maturity 0.5, Analysed. Concept and specification reviews held; the plan, tailoring and records are current and the evidence the cybersecurity case needs is mapped to its sources.
- Cybersecurity Specification & Design: maturity 0.5, Analysed. Concept and specification reviews held; the plan, tailoring and records are current and the evidence the cybersecurity case needs is mapped to its sources.
- Implementation & Integration Verification: maturity 0.8, Feature complete. Verification and validation results reviewed against the plan; the evidence for the cybersecurity case is complete in draft and the independent assessment is arranged.
Supplier and interface management^A
- Cybersecurity Goals & Concept: maturity 0.5, Analysed

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