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Network security protects data in transit and the devices that move it. This category covers firewalls, VPNs, routing and switching security, segmentation, access control, DNS protection, and the protocols — like 802.1X, TLS, and Spanning Tree — that keep networks reliable and resilient against attack. Explore the terms below, from foundational networking concepts to the controls that defend the perimeter and the core.
899 Network Security terms · All categories →