You can collect IMSI passively over LTE: https://github.com/SysSec-KAIST/LTESnif... | Hacker News

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		yinznaughty 6 months ago \| parent \| context \| favorite \| on: ICE is using fake cell towers to spy on people's p... You can collect IMSI passively over LTE: https://github.com/SysSec-KAIST/LTESniffer You can just jam everyone in the area and see who reconnects.

kotaKat 6 months ago [–]

Couldn’t I just grab a Baicells eNB off eBay and point it at my own Open5GS installation and passively sniff IMSIs of users scanning around anyways that try to attach and reject? It feels like I could build some kind of “sniffer” fairly easily these days as well.

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