“A maintenance window should be rehearsed before an unrehearsed plan makes it mandatory.”

A maintenance window should be rehearsed before an unrehearsed plan makes it mandatory. — Kai London (Professor Kai London), CISO. Principle 9153 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