After fighting a gag order, Moxie Marlinspike, the founder of Open Whisper Systems, went public with details of a federal subpoena (pdf) demanding Signal subscribers’ information and communication records.

Open Whisper Systems built the encrypted communication app Signal; the Signal encryption protocol is also used in Google’s Allo, WhatsApp and Facebook Messenger. If you know anything at all about Signal, then you know privacy and security are not just marketing buzzwords; end-to-end encryption is a feature to which OWS is deeply committed. Even Edward Snowden gave the thumbs up to use any OWS product.

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