Topic 25: Data protection issues

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Data destruction

  • Data can be destroyed in a number of ways:
  • Equipment malfunction
  • Equipment destruction
  • User error

How to protect data from accidental destruction

  • Ensure backup copies are kept as dad can be recovered from backups if lost
  • Thorougly test software to avoid system crashes

How to protect data from deliberate damage

  • Use a firewall to prevent hackers- a firewall can be hardware, software or both
  • To protect against disgruntled employees destroying data- ensure that you carefully select staff and if they leave, they should not be allowed to work their notice
  • Virus attack- install virus checking software and scan regularly for viruses

What a firewall does


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