Tech

Senator Demands Answers From Telecom Giants on Phone Spying

ON THE HOOK

In new letter to AT&T, Verizon, Sprint, and T-Mobile, Ron Wyden gives the giants a deadline to come clean on closing the SS7 loophole that hackers have exploited for decades.

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Joshua Roberts/Bloomberg via Getty

Update: This article has been updated to include comment from Sprint.

Despite spies exploiting a major hole in the mobile-data backbones for years, questions still remain around what exactly major telecommunications companies, including AT&T, Verizon, or Sprint, have done to keep hackers out of their networks.

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