Flashcards
Data security 3
Cards in this deck (6)
- 1Anti-malware softwareProduced by anti virus software.
- 2Works in two ways:All files that are opened by a user or downloaded from a remote source, such as the internet or memory stick, are scanned to see if they match the samples of known virus programs that are stored in the anti-virus program's libary.
Unusual activity on the computer is monitored by the anti-virus software. - 3FirewallsDesigned to prevent unauthorised access to a computer or network from other computers attached to it or connected over the internet.
- 4FirewallsMonitors incoming and outgoing traffic to and from the computer or network
Incoming and outgoing data that has not been requested by the computer is blocked. - 5EncryptionIs used to protect data whilst it is being transferred between two computers over a network such as the intranet.
- 6Data encryption works by:Data to be transmitted by computer A to computer B is scrambled into a secret code.
Scrambled data is then transmitted over the internet
Receive the scrambled data and then unscramble it using the same encryption.
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- GCSE Business Communications & Systems Flashcards on Data security 3 , created by Henry Lane on 18/04/2017.
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- Henry Lane
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