German network provider O2 Telefonica has confirmed that few of its subscribers have been drained of their bank accounts, due to hackers exploiting a flaw in the Signaling System 7 (SS7) protocol, used by networks…

German network provider O2 Telefonica has confirmed that few of its subscribers have been drained of their bank accounts, due to hackers exploiting a flaw in the Signaling System 7 (SS7) protocol, used by networks…