You call your colleague by his name at work: this is his 'MAC address' which indicates it is him. The MAC address is also called the device's 'physical' address, indicating which device it is, whereas the IP address says where the device is connected in a network of millions. It's used in local networks by devices to communicate with each other. What actually is a MAC address?Ī MAC address is a unique address that is assigned to our Bluetooth, WiFi and Ethernet cards, buried directly in our devices. What is a MAC address?įirst up, let's look at the big picture. Sometimes this is more direct: "can a website or third party obtain my MAC address?" We investigate. One of the most frequently asked questions we get about fingerprinting is whether you can hide your MAC address or not, and what this means for privacy-conscious businesses.
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