Cybersecurity is often discussed only after an attack.
But in automotive engineering, the real work happens long before that.
Every requirement, architecture decision, interface, software update and supplier interaction shapes the level of trust a vehicle can deliver throughout its life.
That is the philosophy behind ISO/SAE 21434.
It is not about adding security at the end.
It is about engineering security from the very beginning.
Because in a connected vehicle, cybersecurity is not another feature.
It is the foundation that allows every other feature to be trusted.
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