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A comment on Google and AT&T invest in Starlink rival for satellite-to-smartphone service. Parent comment

Re:Google and AT&T invest in Starlink rival for satellite-to... by gruez on Monday January 22, 2024 @04:17PM (#39095592)
Eavesdropping only gets you the TMSI which tells you there's a handset, but doesn't allow track it. If you want an unique identifier (eg. IMSI) you'll have to do a MITM attack.
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Re:Google and AT&T invest in Starlink rival for satellite-to... by tyingq on Tuesday January 23, 2024 @05:22AM (#39101591)
"So far the theory. If you look at the Paging Channel (PCH) of cells in real-world networks, you see a significant (10-20%) amount of paging requests that contain paging by IMSI. This seems strange on first sight, given the theory..."[1]

So you can't spy on everyone, but you can spy on some subscribers whose phone is in that state.

[1] https://laforge.gnumonks.org/blog/20100628-the_reason_for_pa...

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