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Unified Threat Management Guide for Managers
It makes sense in theory: Combining security functionality--such as antivirus, intrusion detection and firewall--into one appliance gives infosecurity professionals a security Swiss Army knife of sorts. In reality, however, unified threat management is not defined by what is in the appliance, but by your reason for wanting to put more than one function in a single device. There are five main arguments in favor of UTM: It provides for consolidation, thereby reducing costs; it improves performance; it reduces complexity; it simplifies management; and it increases flexibility.