April 2016

Phone Hacking

German Security Researcher Karsten Nohl recently went on TV highlighting how easy it is to hack a mobile phone and gain access to a user’s messages as well as listen to their calls. The hack uses the network interchange service Signalling System 7 (SS7) known as C7 in the UK. SS7 acts as a broker between mobile phone networks and handles number translation, sms transfer and other duties that connect one network caller to another. If an SS7 system is successfully attacked then then a person’s location, messages and calls can all be monitored.

Read more source, The Guardian