Preventing NAC Attacks

A Trusted Computing Group investigation has shown that Network Access Control (NAC) technology is vulnerable to a condition called the “lying endpoint problem.” If an endpoint becomes infected by a virus or other malware, the infection may cause the machine to lie about its health status. As a result, infected machines can then gain access to the network and infect other machines. With over 40,000,000 infected machines and more than 35,000 malware varieties, allowing network access to a lying endpoint should be a major concern to everyone involved in network security.

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