ISO 21434: Motivation / Introduction
Shownotes
So let's zoom all the way in. Every standard on this channel asks the same two questions: what could go wrong, and how do we keep it from hurting somebody? What makes ISO 21434 different is who it blames. Not a worn-out sensor. Not a cosmic-ray bit-flip in memory. A person. Someone with a laptop, a motive, and time.
Part of the Critical Systems Analysis functional-safety series on ISO 21434.
In this episode:
- Open your copy to clause 1, the scope, because a standard's first job is to tell you where its authority stops.
- So why does a car even need this? Because a modern vehicle is a computer network on wheels, and every way information gets in is a door.
- Here's the mindset shift, and it's the whole reason this standard is separate from functional safety.
- And an attack is never one thing.
- Now, why do we obsess over exact words? Because in a functional-safety-style standard, the vocabulary is normative.
- Which forces the next question: protect what, exactly? The standard's answer is the asset.
Reference: Clause references are per ISO/SAE 21434:2021: clause 1 is Scope, and the Threat Analysis and Risk Assessment (TARA) methods sit in clause 15. Concept-phase activities (item definit
More in this series: IEC 61508 — Functional Safety Foundations | Functional Safety Assessment and Services
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