File Extension Masquerading — File extension masquerading disguises a file’s type through misleading naming or presentation. Attackers make executable or dangerous content resemble an ordinary document. The deception encourages recipients to open material they would otherwise question. – File Deception

Added October 7, 2026

File Extension Masquerading — File extension masquerading disguises a file’s nature through misleading naming or presentation. Attackers encourage people to mistake executable or harmful content for a safer file type. The technique exploits assumptions about visible filenames. – File Deception

Added October 7, 2026