A Program Sent in a Chat Is Not Installed: Lessons From HEAVYGRAM
Most intrusions do not start with an exploit. They start with a message from someone who seems familiar, and a file. HEAVYGRAM is a well documented example, and the rules that stop it fit on a sticky
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.