Tuesday, November 9, 2010

Computer security

Computer security is the effort to create a 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. These measures include controls that ensure the security and availability of the information processed, stored, and transmitted by a computer.

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