DHS Says China, Russia, Iran, and Israel Are Spying on People in US with SS7
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The Department of Homeland Security knows which countries SS7 attacks are primarily originating from. Others include countries in Europe, Africa, and the Middle East.

Summary

The Department of Homeland Security (DHS) has identified China, Russia, Iran, and Israel as the primary countries exploiting vulnerabilities in SS7, a telecom protocol, to spy on individuals in the U.S.

This includes tracking locations and intercepting calls and messages.

Newly released information, revealed by Senator Ron Wyden, links these attacks to foreign nations and builds on prior reports of SS7 exploitation.

A 2017 DHS presentation highlighted these risks, showing persistent concerns over SS7’s security flaws.

The disclosure underscores ongoing surveillance threats targeting U.S. telecommunications networks.