Julie.mp4.mkv.mp4 < Full HD >

The most dangerous application of this naming convention occurs when attackers hide executable files behind harmless media extensions.

A user sees the file name and immediately assumes it is a standard video file. JULIE.mp4.mkv.mp4

Believing it is a movie, the user double-clicks the file. Instead of playing a video, the computer executes the .exe program, potentially installing ransomware, spyware, or trojans. 🔍 Red Flags in the File "JULIE.mp4.mkv.mp4" The most dangerous application of this naming convention

If a file has a video extension like .mp4 but displays a generic application icon instead of a video thumbnail, do not open it. the computer executes the .exe program