Why Your WAF Missed It: The Danger of Double-Encoding and Evasion Techniques in Healthcare Security
If you ask most organizations how they protect their APIs, they point to their WAF (Web Application Firewall). They have the OWASP Top 10 rules enabled. The dashboard is green. They feel safe. But attackers know exactly how your WAF works, and, more importantly, how to trick it. We recently worked with a major enterprise customer, a global leader in healthcare technology, who experienced this firsthand.