Glossary definition: Network Access Control

Network Access Control: Secure Your Network

Network Access Control (NAC) is a security system that helps organizations control who is allowed to access their networks. It is designed to protect networks from unauthorized access, malicious attacks, and other security threats. NAC typically works by authenticating users, devices, and other entities that attempt to access the network. It can also be used to monitor network traffic and enforce security policies. NAC can be implemented in a variety of ways, including through hardware, software, or a combination of both. It can also be used to segment networks into different levels of access, ensuring that only authorized users and devices can access sensitive data or resources. NAC can also be used to monitor user activity and detect malicious behavior. By implementing NAC, organizations can ensure that only authorized users and devices can access their networks and resources, helping to protect their data and systems from malicious attacks and other security threats.