Recommended private chats and social networks for Whonix

[nani]

Session Private Messenger

Specialists from PrivacyGuides have removed Session and Element/Matrix from the list of recommended messengers The Best Private Instant Messengers - Privacy Guides. The main reason for the removal is the lack of forward secrecy: These messengers do not have forward secrecy, and while they fulfill certain needs that our previous recommendations may not, we do not recommend them for long-term or sensitive communications. Any key compromise among message recipients would affect the confidentialit…

I have edited Matrix section: added FS issue, metadata leak problem and server security issues https://eprint.iacr.org/2023/485.pdf

We presented six attacks that together invalidated the funda-
mental security promises made by Matrix’ end-to-end encryp-
tion against a malicious server. In particular, the version of
Matrix as implemented in Element and analysed here neither
provided confidentiality nor authentication against such an
attacker.

And edited the all logos to a uniform style. Now, the Simplex and OnionShare logos do not encroach on adjacent sections in the wiki. Patrick, please upload the Cwtch logo Instant Messenger Chat I do not have the necessary permissions to upload images. Thank you