SS7 vulnerabilities and attack exposure report by Positive Technologies, 2018

Today the signaling network is not isolated, and this allows an intruder to exploit its flaws and intercept calls and SMSs, bypass billing, steal money from mobile accounts, or affect mobile network operability. To demonstrate the extend of security problems in modern communication networks, this report shows not only the vulnerabilities that we revealed during SS7 networks security analysis, but also the exploitation of these vulnerabilities as would happen in real life.