The NAC concept sees computers isolated to quarantine networks if they are found to not be compliant with security policies, such as having out-of-date antivirus software or an unpatched operating system.
Symantec entered the space when it bought Sygate this summer. Cisco and Microsoft launched their respective Network Admission Control and Network Access Protection initiatives last year.
McAfee has also updated its ePolicy Orchestrator software to version 3.6, saying it has added AVERT threat data views, full integration with its host intrusion prevention systems software, and Windows clustering support.
