Privacy

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A place to discuss privacy and freedom in the digital world.

Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.

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How save is XMPP really? (lemmy.world)

submitted 1 month ago by andylicious1337@lemmy.world to c/privacy@lemmy.ml

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Ok so, here I am again asking another question 🙈🙊 But hear me out: I read this post here about, if there even is a good privacy messenger that can be trusted. Someone in the comments mentioned Conversations (a XMPP client for Android). This made me look into XMPP and at the moment I am giving Conversations a try. Reading into XMPP, I couldn't find a problem security or privacy wise. Also it seems like it does not matter what server I use (atm. we are on 07f.de) since it is all e2e with OMEMO. Am I missing something or is it really this good? And if I dont trust anyone, I could host my one instance of ejabberd, right?

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[–] Im_old@lemmy.world 1 points 1 month ago (1 children)

It depends on the client and the security implementations they support. For example IIRC no client support the last version of OMEMO (I think it was about OMEMO, I remember an article about it some time ago). Also are you sure that all the other people's clients are on the same version and you're not susceptible to a downgrade attack?

Unless you are ready to/want to control the whole environment (i.e. at least the clients and possibly the server), look into simplex.chat

[–] poVoq@slrpnk.net 6 points 1 month ago

There are some clients that support the latest version of OMEMO, but yes, since the most popular ones do not, you end up using the older version most of the time. That said, the older version is not generally unsafe, it basically is the same as WhatsApp or Signal are using. The newer version is just somewhat better as it includes some lessons learned from earlier attempts.