I don't see how a screen grab defeater is possible. If it reaches the user's eyes in a non-fuzzy or readable form, it can surely be captured in some way (without the analogue hole, even).
What the BLEEP? BitTorrent's secure messaging app arrives
BitTorrent has released its secure messaging app to world+dog, and given it the name “Bleep”. Bleep can now be had for iThings, Android, Windows and Mac OS. The app promises server-less, peer-to-peer, text or voice communications. The outfit says “we keep messages and the encryption keys for images stored on your local device …
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Wednesday 13th May 2015 09:42 GMT DropBear
"I don't see how a screen grab defeater is possible."
I do. What if not all text is present on the screen at any given moment - ie. it's 4-5 or more partial screens flashed in quick succession, leaving the task of integrating the image to your eyes? Any screen grab would only capture a fraction of the full message, in the form of randomly littered letters (you might still be able to video it with another phone, but hey, it's still progress...)
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Wednesday 13th May 2015 06:07 GMT Graeme Sutherland
Works well
I can't comment about the security aspects, as that's not my speciality, but the app itself does what it says on the tin.
I just set up a trans-Pacific call to my brother, who gave me the heads up an hour ago, and the quality was better than phone or Skype.
I know this is the Reg, and we're a bunch of grumpy, cynical buggers. But it seems to work well, and it's free. So I can't complain too much.
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Wednesday 13th May 2015 23:09 GMT tomtomtomtom
For Linux, there is Ring (formerly SFLphone) which supports SIP protocol. Recently they released first alpha that uses also DHT like Bittorrent. Fully open source.
https://en.wikipedia.org/wiki/SFLphone
https://elv13.wordpress.com/2015/05/07/announcing-ring-a-distributed-and-secure-multimedia-communication-platform/
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Wednesday 13th May 2015 23:12 GMT Anonymous Coward
For Linux, there is Ring (formerly SFLphone) which supports SIP protocol. Recently they released first alpha that uses also DHT like Bittorrent. Fully open source.
https://en.wikipedia.org/wiki/SFLphone
https://elv13.wordpress.com/2015/05/07/announcing-ring-a-distributed-and-secure-multimedia-communication-platform/