Cyber & IT Supervisory Forum - Additional Resources

TLP:GREEN

14.4.2 MAC Address Randomization MAC randomization helps ensure the privacy of your mobile device by concealing the original MAC address, making it significantly harder to track a device based on its MAC address especially when connecting to public hotspots. 374 MAC randomization is a process that hides the exact identity of a mobile device. It works by concealing what is called the media access control (MAC) address of that device and creating an artificial one in its place, which is then transmitted to any surrounding Wi-Fi access points. 375 14.4.3 Apple Private MAC Address Starting with iOS 14, iPadOS 14, and watchOS 7, Apple al lows a user’s device to use a different MAC address for each Wi-Fi network. This unique MAC address is your device's private Wi-Fi address, which it uses for that network only. 376

14.4.3.1 iPhone, iPad, or iPod touch 

Open the Settings app, then tap Wi-Fi .

Tap the information button

next to a network.

 

Tap to turn Private Address on or off.

 If your device joined the network without using a private address, a privacy warning explains why.

14.4.3.2 Apple Watch 

Open the Settings app, then tap Wi-Fi .

 Tap the name of the network you joined. If you have not joined the network yet, swipe left on its name and tap more .  Tap to turn Private Address on or off. 14.4.4 Android Private MAC Address In Android 10, MAC randomization was enabled by default for client mode, SoftAp, and Wi-Fi Direct. Additionally, MAC addresses are randomized as part of Wi-Fi Aware and Wi-Fi RTT operations. 377 378

14.4.4.1 Android 10 And Later Versions  Go to the Settings app on your Android device.  Tap on Network & Internet or Connections > Wi-Fi .  Tap the gear icon next to the Wi-Fi name of your choice.  Tap on MAC address type .  Select Use phone MAC .  Turn OFF your device's Wi-Fi and then ON again. Go to the Settings app on your Android device.  Tap on Connections > Wi-Fi .  Tap the gear icon next to the Wi-Fi name of your choice.  Tap on MAC address type .  Select Use phone MAC .  Turn OFF your device's Wi-Fi and then ON again. 14.4.4.2 Samsung Galaxy Devices 

TLP:GREEN