: When dealing with unknown files, it's wise to work in a controlled environment (like a virtual machine) and ensure you have backups of any critical data.
He realizes the file is being accessed by an external IP every night at 2:00 AM. It’s not just a backup; it’s a "dead drop" for a sophisticated data-harvesting ring. shifenzheng.bak
Remember: In data security, a backup is only an asset if it is encrypted and access-controlled. Otherwise, it is a liability waiting to be exploited. Delete the .bak , secure the data, and break the habit of descriptive filenames. : When dealing with unknown files, it's wise