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This is generally old news. Philz Coffee in Palo Alto, CA and major department stores in the US have been doing this for years to track foot traffic. If you do
by cvccvroomvroom 4y ago
This is generally old news.
Philz Coffee in Palo Alto, CA and major department stores in the US have been doing this for years to track foot traffic. If you don't want to be tracked, turn off BT and Wifi and demand the protocol stds body and mfgrs support even stronger randomized hw addresses.
- pcdoodle 4y agoIf you're on iPhone, you're still beaconing if you turn it off in the swipe down control center, the only way around this is to go into Settings and turn it off there. Also of interest, your iOS BLE "Random" MAC transmits every few seconds and can take up to 48 hours to change. I wrote some software for the Pi that would allow me to enroll a phone when someone was nearby (By RSSI) and then with a directional antenna later in the day, you could confirm presence in a house / building. You can also infer presence of anyone in a house because of this. Oh hey, 2 iPhones in the ex girlfriends apartment, Wonder what's going on in there... Yeah creepy.
- olliej 4y agoWhich is why modern secure devices randomly cycle Wi-Fi and Bluetooth MACs fairly frequently.
- sneak 4y agoThe technique described in the paper is different than what major stores have been doing for years, making your statement incorrect.