Validate your input, I guess
Validate your input, I guess

www.theguardian.com
UK air traffic control failure: what caused it, and who will have to pay?

Nats says that the failure was triggered by a single piece of data in a flight plan that was wrongly input to its system by an unnamed airline.
It will be fascinating as the details of this emerge.
As a reminder, if you can crash a program with malformed input, you're most of the way to finding a security hole allowing you to exploit that program with malformed input.