Knowing if it was on a personal device or an external website can help identify its origin.
: If you did not record this yourself, be cautious. Randomly named .mp4 files from unknown sources can sometimes be used to deliver malware or phishing links. Download VID 75841123 115358 868 mp4
: Typically a millisecond marker or a serialized suffix to prevent duplicate filenames. Safety and Security Advice Knowing if it was on a personal device