Topic 25: Data protection issues

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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