Data security

Data security is about keeping data safe and affects anyone relying on a computer system. If the data on a computer system is damaged, lost, or stolen, it can lead to disaster.

Key threats to data security

Data may get:

  • lost or damaged during a system crash - especially one affecting the hard disk
  • corrupted as a result of faulty disks, disk drives, or power failures
  • lost by accidentally deleting or overwriting files
  • lost or become corrupted by computer viruses
  • hacked into by unauthorised users and deleted or altered
  • destroyed by natural disasters, acts of terrorism, or war
  • deleted or altered by employees wishing to make money or take revenge on their employer
Examples of threats to data security such as hardware damage, hacking, corruption, loss of data, data destruction and deletion

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