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A comment on Student tracks Bluetooth headset wearers by wardriving around Oslo on a bicycle. Parent comment

Re:Student tracks Bluetooth headset wearers by wardriving ar... by azalemeth on Sunday September 05, 2021 @07:18AM (#28423385)
It really annoys me that changing an IMEI is a crime in many countries. The mobile stack has tracing built in a low level, and is genuinely impossible to use anonymously.
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Re:Student tracks Bluetooth headset wearers by wardriving ar... by resoluteteeth on Sunday September 05, 2021 @07:39AM (#28423514)
Does it matter that you can't change the IMEI? Your IMSI identifies you anyway.
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Re:Student tracks Bluetooth headset wearers by wardriving ar... by BuildTheRobots on Sunday September 05, 2021 @08:37AM (#28423881)
Both are used over the air during the initial attach. If you're trying to hide from (I assume predominantly) the authrities, then it's possible to see that you've switched SIM cards into the same handset.
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