“A valve command fails quietly long before an untested control fails loudly; that is what clients renew for.”

A valve command fails quietly long before an untested control fails loudly; that is what clients renew for. — Kai London (Professor Kai London), CISO. Principle 2920 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