This list: https://opensource.srlabs.de/projects/mobile-network-assessment-tools/wiki/CatcherCatcher https://opensource.srlabs.de/projects/mobile-network-asses

This list: https://opensource.srlabs.de/projects/mobile-network-assessment-tools/wiki/CatcherCatcher https://opensource.srlabs.de/projects/mobile-network-assessm... ... continues to be the best checklist of suspicious or incorrect behavior that would indicate the base station to which you were connected was not a real base station. Scroll down to the "IMSI catcher detection" table and see behaviors like: - Cell is not advertising any neighbor cells - The LAC of a base station changes - Your phone sends at the highest possible power Many of these behaviors to test are GSM specific however the attacker can perform a downgrade attack and force your 4G phone to collapse down to 2G service, thus exposing you to these.