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Glossary of IT Terms

Information Security

Glossary A


This glossary contains industry standard and City specific IT terminology. The glossary should be consulted when policy, issue papers, etc. are drafted to ensure consistent use of terms across the City.
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Quarantine

Quarantine
Defensive tactic employed against viruses. Anti-virus software can often detect viruses which it cannot repair automatically.. In such cases the simplest option is to delete the file, but better quality anti-virus programs offer the option to Quarantine the file. This involves removing the file from its current location, encrypting it, and locking it in the quarantine area, i.e. part of the disk which is not accessible by any application except the anti-virus program, and certain disk utility tools. Once in quarantine the anti-virus utility programs may be able to open the file and examine the contents to allow a user to extract any useful information, or, if sufficiently skilled, to remove the virus and effect a manual repair of the file.