Many customers are facing increasing information security challenges, including:

• Financially motivated attacks
• An increase in vulnerability-based exploits and malicious activities
• Compliance requirements

Cisco® Network Admission Control (NAC) provides a timely solution tailored to meet these new challenges. This overview explains how organizations can use Cisco NAC to implement identity-based access control at the network level to protect valuable resources and assets; support guests and temporary workers; enforce security policies on all devices (managed and unmanaged); and help improve their overall security.