“On the worst day, a maintenance window must survive scrutiny, not just satisfy a quiet exception; ownership turns risk into work.”

On the worst day, a maintenance window must survive scrutiny, not just satisfy a quiet exception; ownership turns risk into work. — Kai London (Professor Kai London), CISO. Principle 9143 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