Security researchers say the Diameter protocol used with today's 4G (LTE) telephony and data transfer standard is vulnerable to the same types of vulnerabilities as the older SS7 standard used with ...

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 ...

Most protocols use layered architectures to some degree, layers that you can manipulate to achieve your optimal design. Optimizing the placement of these layers, you can achieve efficient code ...

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 ...

Hackers have exploited decades-old flaws in the SS7 mobile telephony protocol to hijack phone numbers and SMS messages, in order to bypass two-factor authentication (2FA) and steal money from bank ...

Increasingly, cellular carriers and service providers are using IP networks to transport and route Signaling System 7 (SS7) traffic. The SS7 protocol boasts a mechanism for offloading the traditional ...

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 ...