Why backup: part 1
A data or a file or the entire file system or a service or the entire corporate network may be corrupted or no longer usable for several reasons:
- due to an error by an employee or operator;
- for software problems;
- why the file system got corrupted;
- for hardware problems;
- for a computer virus or for the intrusion of a hacker;
- for a structural disaster or a natural disaster.