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Port Security using Cisco Packet Tracer

A switching security project focused on limiting unauthorized device access through port security and MAC address controls.

Problem

Uncontrolled switch ports can allow unauthorized devices onto a network, increasing exposure to misuse, sniffing, or lateral movement.

Approach

Configured and analyzed port security behavior in Cisco Packet Tracer, with attention to MAC filtering, violation handling, and access restrictions.

Outcome

Documented practical switch hardening concepts and improved understanding of how Layer 2 controls support network access security.