In the cybersecurity world, a database engineer inadvertently finding a backdoor in a core Linux feature is a little like a bakery worker who smells a freshly baked loaf of bread, senses something is off and correctly deduces that someone has tampered with the entire global yeast supply. It’s the kind of intuition that requires years of experience and obsessive attention to detail, plus a healthy dose of luck.

Kevin Roose, “Did One Guy Just Stop a Huge Cyberattack?”