Network Admission Control (NAC) is a technology that allows the network to check endpoints for compliance with your network security policy. NAC is an industrywide effort and is led by Cisco.
Your security policy might require that all Windows computers adhere to a base level of security and patching. For example, you might require that your computers do the following:
• Run antivirus (AV) software, which must be updated to the latest version and scanning capabilities
• Run a personal firewall, such as Cisco Security Agent
• Be patched to the latest Microsoft service pack and hot fix
• Be owned by the company, rather than by the employee
• Not have certain undesirable applications installed or running
• Run ...