[plufsim]

Less likely, NSO's expertise is in development of exploits for browsers and apps (ex: WhatsApp), not ss7 exploits

[surgecoach]

Circles is affiliated with NSO, and they use ss7 exploits.

Dont think they named directly who but they mentioned Circles, Rayzone in ChaosComputingClub a few days ago. THowever the link with the talk is dead for some reason - https://media.ccc.de/v/rc3-11511-watching_the_watchers_-_how...