How Hackers Bypass Your Email Security Without Sending a Single Malicious File
During routine email security monitoring, I intercepted a phishing email carrying a malicious HTML attachment. What made this sample interesting was not its novelty. HTML smuggling is a well-documented technique but the specific combination of layered obfuscation, Blob-based payload delivery, and LNK proxy execution that points to a deliberate, operationally mature threat actor. This post…