It was revealed in a recent letter sent from the Department of Homeland Security to Senator Ron Wyden that global cellular networks are being exploited to target Americans. By tapping into these networks, anyone including criminals and intelligence agencies could spy on someone’s texts, calls, and location. The global network being taken into question is Signaling System 7 (SS7).
What Is SS7?
SS7 was created so telecommunication carriers could exchange in…
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