Certain brands use a MM-DD-YYYY prefix followed by a unique hardware ID. If you have this video and are looking for context:
The filename appears to be a specific system-generated name for a video file, likely from a surveillance system, dashcam, or a private cloud storage export. 05-07-2021_0gs60kz340wrm9hnnwki7_source.mp4
If this was found in a specific folder (e.g., "Arlo," "Ring," "TeslaCam"), that will tell you which device recorded it. Certain brands use a MM-DD-YYYY prefix followed by
Many security cameras export files using a [Date]_[RandomID]_source format. likely from a surveillance system
Right-click the file and select "Properties" (Windows) or "Get Info" (Mac) to see if there is a "Media Created" date or GPS location data.