ISO 21434: Product Development - Requirements

So let's zoom all the way in. The reusable stuff is behind us: why cybersecurity matters, the family of standards, the shape of the ISO 21434 lifecycle. Now we land on one clause, Product Development. In ISO 21434 this is Clause 10, and it sits right after the Concept phase, Clause 9. Here's the handoff.

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

In this episode:

• This is the clause on the table today: Product Development, requirements.
• Here's the reframe.
• Let's define the term plainly.
• This is the chain that has to hold.
• Concrete example.
• So what makes a requirement fit to ship into design? Run this check on every one.

Reference: ISO/SAE 21434:2021 places Product Development at Clause 10 and the Concept phase at Clause 9; the Concept phase is where the item definition, TARA (threat analysis and risk assessm

More in this series: IEC 62443 — Industrial Cybersecurity

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