The information held on your computer may be irreplaceable. Regularly backing up your data will ensure that you have more than one copy.
- Ensure that all your important data is backed up regularly to a safe place.
- Ensure that your backed up data will always be retrievable when you need it.
The Risks
- Hardware failure (for example, hard drive failure is a frequent occurrence).
- Accidental file deletion.
- Theft.
- Fire, flood, accidental damage.
- Catastrophic virus or spyware infections.
- File deletion during operating system upgrades.
Read more:
http://www.getsafeonline.org/protecting-your-computer/Backups/