“A legacy controller cannot be patched on a memo's schedule — because an unverified input can move the physical world.”

— Professor Kai London, CISO.

Quote card by Professor Kai London reading 'A legacy controller cannot be patched on a memo's schedule — 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 legacy controller cannot be patched on a memo's schedule — because an unverified input can move the physical world.'. From the book The Day the Control Room Went Silent.

A legacy controller cannot be patched on a memo's schedule — because an unverified input can move the physical world. — Kai London (Professor Kai London), CISO. Principle 949 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 3449 Principle 5949 Principle 8449

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