https://nalar.dev/tags/mac-address/ Recent content in MAC Address on Nalar Hugo en-us Mon, 14 Sep 2026 00:00:00 +0700 https://nalar.dev/private-wifi-addresses-limit-mac-based-tracking/ Mon, 14 Sep 2026 00:00:00 +0700 https://nalar.dev/private-wifi-addresses-limit-mac-based-tracking/ <p>Every Wi-Fi interface needs a link-layer address when it communicates on a local wireless network. This identifier is commonly called a MAC address. Network equipment uses it to distinguish devices while delivering frames within the local network.</p> <p>A fixed hardware MAC address can also act as a persistent identifier. If the same value appears across different places, systems observing Wi-Fi activity can potentially associate those appearances with one device. Modern operating systems reduce that exposure by using private or randomized Wi-Fi addresses instead of presenting the hardware address in many situations.</p>