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IMSI Catchers & Cellular Downgrade Security

6 questions · advanced

Test your understanding of rogue cell towers, 3GPP cell reselection heuristics, GSM cipher mode downgrade mechanics, cleartext identity requests, timing advance ranging, and 5G SUCI public key privacy protections.

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How does a rogue base station (IMSI catcher) force a target Mobile Station (MS) to select it over a legitimate serving cell using 3GPP cell reselection heuristics?

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