Probably one among the attacks on SS7 networks would be location observation. A petition subscriber location is routed by means of SS7 networks and also the answer comprises the base
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08.12.2022 December only plan discounts 09.09.2022 Scheduled Maintenance patch for Brazil operators: Claro Brasil and OI. Services will be unavailable for these networks until 10.09.2022. 01.09.2022 Scheduled Maintenance patch for Canada