Digital Warfare Podcast Daily Brief April 25, 2026

The Digital Warfare Podcast · Apr 25, 2026 · 4m

Summary

Citizen Lab’s investigation uncovered two sophisticated telecom surveillance campaigns abusing SS7 and Diameter signalling protocols to track mobile users worldwide. The campaigns, identified as STA1 and STA2, used routing manipulation, spoofed operator identities, third-party access paths, and silent mobile commands to conduct covert location tracking. The findings highlight a structural weakness in global mobile networks, where trusted telecom interconnect systems can be exploited by surveillance actors operating across borders.

Key Takeaways

• Citizen Lab identified two telecom…