MAC addresses are the unique identifiers for the network interface on the computer (such as Ethernet ports and WIFI cards). Due to their unique nature, they can also compromise the privacy of the user.
When connecting to a network, it is possible for other devices on the network to see the MAC address of the network interface that is connected. While this is not much of a concern on networks you trust such as your home network, it may compromise your privacy on those who do not trust. On untrustworthy or hostile networks, uniquely identifying characteristics such as the MAC address may allow others to track your computer.
Subgraph OS mitigates this privacy risk by always creating random MAC addresses for all of your network interfaces. Each time one of your interfaces connects to a network, it will use a different MAC address. This helps to anonymize you across different networks or when connecting to the same network over and over again.
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