“A legacy controller cannot be patched on a memo's schedule — when safety and security never argue during an incident.”

A legacy controller cannot be patched on a memo's schedule — when safety and security never argue during an incident. — Kai London (Professor Kai London), CISO. Principle 1717 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