Definition
802.1X is an IEEE standard for port-based network access control that provides an authentication framework for devices connecting to wired or wireless networks, requiring successful authentication before granting network access.
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Common questions about 802.1X Authentication answered by our security experts.
Related Terms
Network Access Control (NAC)
Network Access Control (NAC) is a security approach that enforces policies for devices attempting to connect to a network, verifying identity, health, and compliance before granting appropriate access levels.
Authentication
Authentication is the process of verifying the identity of a user, device, or system before granting access to resources. It typically involves credentials such as passwords, biometrics, security tokens, or digital certificates.
Network Segmentation
Network Segmentation is the practice of dividing a computer network into smaller subnetworks to improve security by limiting lateral movement, containing breaches, and controlling traffic flow between segments.
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