Feds finally decide to do something about years-old SS7 spy holes in phone networks

The article reports that the FCC is asking telecom providers for information on exploitation of legacy signaling protocols SS7 and Diameter—known to allow phone location tracking, call/SMS interception, and network spoofing—after lawmakers raised concerns about foreign governments and mercenary surveillance firms abusing these flaws; carriers have until April 26 to submit incidents since 2018 and detail mitigations and attack techniques.