Antivirus software? Intrusion-detection systems? VPNs? They're not enough. Every layer makes your network a little bit more secure, and centrally managed desktop firewalls are an essential part of your arsenal. These suites do more than protect your perimeter; they keep sensitive data from leaving your network at the hands of internal attackers.
In our review of desktop firewall packages from Internet Security Systems, Securitae, Sygate Technologies, Symantec and Zone Labs, we focused on the protection these suites provide, as well as their manageability, integration capabilities, reporting and price. Sygate Secure Enterprise 3.0 topped our list, with the best-rounded set of features and abilities.