Instant messaging (IM) is a form of communication over the Internet, that offers quick transmission of text-based messages from sender to receiver

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Does Diffie-Hellmann (DH) key exchange protocol lower Off-The-Record protocol (OTR) security level?

Off-the-Record protocol employes Diffie-Hellman key exchange protocol (DH). DH protocol does not provide authentication of the communicating parties and, according to many sources, is vulnerable to ...
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Is BlackBerry Messenger secure?

I am evaluating alternatives to Whatsapp, like Telegram, TextSecure, Threema, and so on. The messenger application must also run on BlackBerry devices. Enter BlackBerry Messenger. Is BlackBerry ...