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Computer security

Computer security is a field of computer science concerned with the control of risks related to computer use.

The means traditionally taken to realize this objective is to attempt to create a trusted and secure computing platform, designed so that agents (users or programs) can only perform actions that have been allowed.

This involves specifying and implementing a security policy.

The actions in question can be reduced to operations of access, modification and deletion.

Computer security can be seen as a subfield of security engineering, which looks at broader security issues in addition to computer security.

Note:   The above text is excerpted from the Wikipedia article "Computer security", which has been released under the GNU Free Documentation License.
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May 26, 2015

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