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Definition: unified threat management

A stand-alone appliance or software that combines several security functions. Unified threat management (UTM) includes a firewall, antivirus, spam and content filtering as well as intrusion detection. See firewall, antivirus, antispam and IDS.

A UTM Appliance
UTM appliances such as this Sophos XG 750 can also replace the router in many instances. Providing 140 Gbps of throughput and optical support, it interacts with the Sophos antivirus software in the users' machines (see Sophos). (Image courtesy of Sophos Ltd., www.sophos.com)