A local copy is still local risk
A USB drive or network share often keeps the backup in the same physical and digital risk area as the original data. If it is connected or reachable, malware and user mistakes may affect it too.
These methods can be useful as an additional copy, but they should not be the only recovery plan for important business data.
Manual routines break down
USB backup usually depends on a person remembering to run the job, choosing the right folders, and waiting until the copy is complete. On a busy day, any of those steps can fail.
A safer backup process should run with less dependence on memory and should report its result clearly.
In short: A USB drive can help with transport or extra copies, but it does not replace monitored backup to a secure environment.
A safer approach
- Backups should be transferred outside the original computer.
- Results should be monitored for success and failure.
- The process should reduce dependency on manual habits.
- Backup history should remain protected and accessible.