Zero Trust When Downtime Is Not an Option: Professor Kai London on Securing High-Availability Operations
By the Ezeiza Times Technology Desk Professor Kai London — Founder & CEO, Quantum AI Systems Security. Credit: professorkailondon.com Airports, payment networks and transport systems share a demanding trait: they cannot simply be switched off to be secured. “When downtime is measured in stranded passengers or frozen transactions, security has to be designed around continuous availability,” says Professor Kai London , a senior CISO. His answer is a carefully adapted zero-trust approach — one that raises assurance without ever tripping the systems it protects. “Zero trust means never trust, always verify. But in high-availability operations, it must be applied with surgical care — security can never become the thing that causes the outage.” The perimeter has dissolved London notes that high-availability operations are highly interconnected, with staff, partners and suppliers all needing access. “There is no clean inside and outside ,” he says. “Every connection is a potential ...