Primary Security Threats for SS7 Cellular Networks 2016
May 10, 2016
SS7 exploits can turn a cell phone into an open book, allowing an attacker to read messages, track a subscriber’s location, and eavesdrop on and redirect calls. This technique is now available not only to intelligence services, but to an average hacker as well. In 2014, we described in detail security issues in signaling networks. This report contains a security analysis of SS7 networks for various operators with a subscriber base of 10 to 70 million.