“A safety instrumented system must fail to a safe state — because an unverified input can move the physical world.”

— Professor Kai London, CISO.

Quote card by Professor Kai London reading 'A safety instrumented system must fail to a safe state — because an unverified input can move the physical world.'. From the book The Day the Control Room Went Silent.
Quote card by Professor Kai London reading 'A safety instrumented system must fail to a safe state — because an unverified input can move the physical world.'. From the book The Day the Control Room Went Silent.

A safety instrumented system must fail to a safe state — because an unverified input can move the physical world. — Kai London (Professor Kai London), CISO. Principle 2389 of 10000 from the book “The Day the Control Room Went Silent” — cybersecurity, AI security and OT resilience doctrine. Official sites: professorkailondon.com · kailondon.co.uk

Related: Principle 4889 Principle 7389 Principle 9889

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