ISO 21434: Cybersecurity Validation

We have been circling the whole ISO 21434 lifecycle — concept, threat analysis, product development, production, operations. Now push in. Past the risk assessment. Past the development work on the bench. All the way to the clause that sits right before you are allowed to ship: Clause 11, cybersecurity validation.

Part of the Critical Systems Analysis functional-safety series on ISO 21434.

In this episode:

• Clause 11, cybersecurity validation.
• Here is the split the whole pack turns on.
• So validation carries two burdens, not one.
• Picture the V.
• Not every function earns the same scrutiny, and the standard gives you a dial for that: the Cybersecurity Assurance Level, CAL one through four.
• And here is the part that makes the proof credible: you do not get to grade your own homework.

Reference: Clause 11 = Cybersecurity validation, Clause 10 = Product development (holds verification of work products), Clause 9 = Concept phase (item definition, TARA, cybersecurity goals, c

More in this series: The V-Model and Safety Lifecycle

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All shows on Apple Podcasts: AI & ML Safety | Fault Tree Analysis | FS Assessment | Safety Analysis | IEC 61508 | IEC 62443 | ISO 10218 | ISO 12100 | ISO 13849 | ISO 26262 | ISO/PAS 8800 | ISO 26262-11 | V-Model | UL 4600.