Syniverse handles billions of text messages a year, and hackers had unauthorized access to its system for years.
Security researchers claim to have identified deployments of SS7 tracking technology in 25 countries, including Belgium, Denmark, Mexico, Thailand, and Australia. The deployments are linked to surveillance vendor Circles, which works with NSO Group.
Researchers from SRLabs found that telecos are implementing the RCS standard in vulnerable ways, which bring back techniques to attack phone networks.
Motherboard has identified a specific UK bank that has fallen victim to so-called SS7 attacks, and sources say the issue is wider than previously reported.
The telecom industry has known about a major vulnerability in its mobile infrastructure for decades, so why was nothing ever done about it?
Financially-motivated hackers are using SS7 attacks to break into bank accounts.
Spies and hackers could bypass end-to-end encryption apps by taking over cellphone numbers.
In order to deliver calls and texts while you’re on the move, the network keeps track of your location, and this feature can be used against you.