The US National Security Agency (NSA) and Great Britain’s Government Communications Headquarters (GCHQ) hacked into the world's largest SIM card manufacturer, stealing encryption information, according to documents released by whistle-blower Edward Snowden and reported by The Intercept Thursday. “With these stolen encryption keys, intelligence agencies can monitor mobile communications without seeking or receiving approval from telecom companies and foreign governments,” the report asserts. “Possessing the keys also sidesteps the need to get a warrant or a wiretap, while leaving no trace on the wireless provider’s network that the communications were intercepted.

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