SS7 has been the tried and true signaling mechanism for providing signaling in traditional PSTN networks. But, with voice-over-IP (VoIP) becoming a more important technology for carriers, carriers are ...

The US Department of Homeland Security recently warned that malicious hackers may have targeted US phone users by exploiting a four-decades-old networking protocol used by cell phone providers around ...

Signaling System Number Seven, or SS7, is a widely-used protocol that enables mobile operators’ subscribers to communicate with each other. At the heart of an operator’s network, SS7 contains highly ...

Researchers Tobias Engel and Karsten Nohl demonstrated serious vulnerabilities in the SS7 protocol for cellular service, putting the privacy of phone calls and users’ location data at risk for ...

The recent successful attacks on bank accounts using the signalling system 7 (SS7) protocol to bypass two-factor authentication will have repercussions for telcos, and they should have long seen it ...

Hackers have exploited long-known vulnerabilities in the SS7 networking protocol to drain customer bank accounts, despite years of warnings about the security holes. Signaling System No.7 (SS7), as ...

No. 7 The common line signaling system (SS7) is one of the signaling systems used in the public switched telephone network (PSTN), and is adopted all over the world including Japan. With the technique ...