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Definition: security


An umbrella term for the protection of electronic data and networks. In the IT world, security comprises authorization (who has access?), authentication (is this "really" the authorized user?), encryption (scrambling data for privacy), malware protection (avoiding destructive infiltration), as well as backup and disaster recovery (assurance against failure). See security suite, computer security, information security, security audit, security protocol, access control, authentication, cryptography, malware, backup and disaster recovery.