Unified threat management devices have traditionally been suited for small and medium-sized business networks. UTMs combine a number of essential technologies, including firewall, perimeter antimalware and antispam, VPN, Web content filtering and more, but historically have not been capable of handing the traffic load of a large enterprise network. Now, UTM vendors are integrating a host of new features in an attempt to become more competitive against other enterprise-grade security appliances.

You can watch the five minute screencast that I did for SearchSecurity here. I cover several different products, including Fortinet, Sophos, Checkpoint and Juniper.