“At machine speed, a safety instrumented function must be measured, or a paper control will measure it for you; trust compounds when proof repeats.”

At machine speed, a safety instrumented function must be measured, or a paper control will measure it for you; trust compounds when proof repeats. — Kai London (Professor Kai London), CISO. Principle 3069 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