Not all security flaws live in broken code. Some, like business logic vulnerabilities, hide in plain sightโwithin the workflows that make your app function. In 2019, millions of travelersโ data was exposed when a booking system treated a six-character code as full authentication. The system worked exactly as designed, and that was the problem. As APIs power more of the worldโs digital experiences, protecting against these logic-based flaws requires context, creativity, and collaborationโbecause scanners canโt secure what they donโt understand.