Here’s How Spies Can Use Your Phone to Find You And Eavesdrop With Ease

Science Alert  June 01, 2018
The SS7 (Signaling System 7) created in the 1970s as a way for telecommunications carriers to exchange information as they routed calls, has little security, allowing intelligence agencies and some criminal gangs to spy on unwitting targets – based on nothing more than their cellphone numbers. As the number of companies with access to SS7 grew to many thousands, the lack of built-in security became a growing problem. It was easy for anyone with access to the network to pretend to be a carrier making legitimate requests for information about customers. According to an Israeli surveillance vendor its ULIN interception system can eavesdrop on cellphone calls on targets in New York or Los Angeles while agents are “sitting at your desk anywhere in the world… read more.