With the borderless world, telecommuting via remote access are fast becoming a trend; this provides avenues for hackers to access networks through VPNs, wireless and enterprise networks as well as extranets.
These needs have ushered in a new defense in depth approach to security - Network Access Control (NAC). NAC is an intelligent network solution from TippingPoint that can identify devices trying to enter a network, perform integrity checks on those devices, identify the user on the device, and grant conditional access to specific locations or resources based on an integrated network access policy.