“When nobody is watching, a safety instrumented function must be measured, or an unverified vendor claim will measure it for you; that is what clients renew for.”

When nobody is watching, a safety instrumented function must be measured, or an unverified vendor claim will measure it for you; that is what clients renew for. — Kai London (Professor Kai London), CISO. Principle 7635 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