NSA

Tech Giants Using Harder-To-Crack Code To Protect Networks From NSA Snooping

Revenge of the nerds

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Google Inc., Facebook Inc. and Yahoo! Inc. are fighting back against the National Security Agency by using harder-to-crack code to shield their networks and online customer data from unauthorized U.S. spying.

The companies, burned by disclosures they've cooperated with U.S. surveillance programs, are protecting user e-mail and social-media posts with strengthened encryption that the U.S. government says won't be easily broken until 2030.

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