Cross-posted from : https://lemmy.ml/post/16566616
Hi, I wanna know what is the most secure and best messaging app/platform… Need an app that is crossplatform and has a very good numbers of features and security. (And it has to be FLOSS) I thought about XMPP clients, Signal, Session, IRC clients… Propose and explain me your choice
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The other day I found this, using an very old inbuild command line tool in Windows, Mac and Unix: finger
https://happynetbox.com
Write for Example
finger zerush@happynetbox.comin the command line
Do you finger your friends?
Not until now, I discovered it only some days ago. I think it’s an interesting methode to send Messages ocassionaly, but not so practically in the daily use.
Depends on what you mean by “secure”, being very loose with the definitions, we have
My personal preference is Simplex.
Reasoning for a few:
Some more food for though though; these protocols support both group communication and 1-1 messaging - privacy expectations for these two are very different. For example I don’t care too much about confidentiality in a group chat if there are 3000 people in there. It might be more concerned with concealing my phone/name/metadata.
In general I consider large group chats “public”, I can try to be anonymous, but have no other expectations. e.g. some people use some protocols over ToR because they do not trust the service (or even the destination) but they try to protect their anonymity.
On a technical note: I don’t think there is any protocol that supports multi-device without some kind of vulnerability in the past. So I would temper my expectations if using these protocols across devices.
I’m not familiar with the other ones that were mentioned in comments or in the spreadsheet.
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“Best” is subjective. I like Signal because it has a great modern UI so I can pretty easily get non techy/privacy people using it.
Email, probably. Kind of depends on your needs, and how willing other people are to accommodate them. The most secure messaging platform is email with a third party IMAP client using OpenPGP. That way the client and the server are run by different people, and the encryption is based on a verifiable and well known standard. But will other people use that to communicate with you? Probably not. So probably something like Signal would strike a good balance between privacy and ease of use.
I strongly disagree, email is a train wreck for secure communication.
Proton has done a pretty good job of making an implementation that’s actually secure but PGP email has fundamental flaws like the subject line and recipient being clear text on the message, user error/key management complexity, and it’s also just a high-friction means of communication vs “texting” or “IRC”-like approaches.
They asked what the most secure one is, not the most practical. When I said other people wouldn’t communicate with you, I meant because it is very difficult to set up, so I wouldn’t recommend it for anyone. But unless your client and server come from different parties, you’re putting all your trust into one other party (like with Signal), so that’s inherently less secure.
This spreadsheet is a very helpful comparison of the different messaging apps. I’ve been using SimpleX for quite some time now, and the only issue I have is some lag on the iOS client.
Thank you
the spreasheet is really good, but rcs is not there - i’d love to know how that compares.
This table is really good: https://www.messenger-matrix.de/messenger-matrix-en.html
Anything that isn’t green here is a ‘no’. The amount of service requiring mobile devices is absurd. I would hope many of us would love to make the jump out of the Apple/Google duopoly at some point if not already, & these sort of lock-ins should be avoided if you put even two thoughts into the future.
Delta Chat is quite good, it’s an email client thats built like a messenger app. It’s E2EE with Autocrypt lvl 1, you can use it with most email services, and they have a self hostable/hosted “chatmail” service that you can also use if regular email services are slowing down the messages (gmail isn’t the best for this). It also supports apps and games in chat using the webXDC standard.
Webxdc is pretty neat. Cheogram & Monocles clients also support it on Android.
Where your friends are?
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WhatsApp is part of Facebook. You really think they operate differently?
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Yup. Reality. No point using a hyper secure chat system if literally nobody you know is using it.
Use Matrix bridge Everything else 🙂
That’s sadly where it’s at. I’ve been lucky and managed to convince most of my friends to give Signal a go and in the end we stuck with it. But we’re all technically minded people so YMMV.
My friends knew I was using it. I said why with very simple words, focused on freedom and abuse over side effects, privacy and security, and they joined. I guess having friends who actually respect you helps a lot.
You’re one of the few lucky ones.
SimpleX is quite a promising project, uses Double Ratchet End-to-End-Encryption (from Signal), and has a very interesting protocol and model to provide quite strong metadata protection, especially in regards to whom you talk to and groups you’re in.
If your threat model requires exceptionally strong Metadata protection, SimpleX is probably going to be your go-to
Though, for a more lenient threat model, where still good, but less laser-focused metadata protection is enough, Signal will probably do just fine.
Personally I use Signal, but I also have a SimpleX Profile, an XMPP Account and Matrix. (preferred in that order)
Okay thx
What is it you’re looking for actually? “Best” is subjective to the person’s needs.
For example for me, the best is signal but I would much rather use something decentralised that still allows friends and family to find me easily using my phone number. Stories / client defined groups without notifications are also very useful to me. Also a native desktop app (aka not a locked down browser running some local webpage) would be awesome. But such an app doesn’t exist yet.
What would you need and prefer?
Anti Commercial-AI license
SimpleX has a native desktop app
Would like to have something with a strong encryption and good capability of tweaking
Tweaking? In which regard?
Anti Commercial-AI license
I don’t think briar is cross platform.
Thx
SimpleX doesn’t need a phone. The desktop app can run standalone or linked to the phone-profile (but the phone must stay connected for that).
They also have a CLI version (which you can use as a central hub for your profile).
What do you mean with “use as a central hub for your profile”?
SimpleX isn’t able to share your profile-data between devices. Instead you connect with e.g. the desktop app to the phone to use the phone-profile, but it need to stay online, which can be inconvenient.
With the CLI version you are able to run it on some (private) server and then connect the phone and desktop app to it. But it is still not really convenient, as you need to establish a tunnel (for example SSH port forwarding) to the server (the clients don’t support connecting via internet URL the last time I checked).
I see. I switched from the CLI version to the desktop version when it came out and was considering switching back if it was more convenient than it currently is to use my phone’s profile on desktop, but it sounds like it really isn’t.
Thanks, updated!
I’d go with Signal or Threema
Signal: Best data protection. They are on a different level from anyone else. They even reimplemented gif search through their app so it can be anonymised (instead of the data-collecting gif search in your keyboard). Just an example, they really try. Also has a desktop app that doesn’t need the mobile app to be running. Downsides are google dependency (for push notifications - but they’re empty, the encrypted data does never even touch google) and required linking to phone numbers. They do have usernames now so you don’t have to give out your phone number to talk to someone. Behind it is an US based non profit - whether that is a downside everyone can decide for themselves.
Threema: No need for phone number, not even a credit card, you can buy it anonymously through their website. No google services required. Swiss based company, so much better laws than USA. Finance themselves through the one time fee of 2 USD and through their corporate offers, no nags for donations, no selling of data. Downsides are server code is not open source, and their protocol is less good than Signals, but still reasonably secure. They’re working on a new one though. Also no independent desktop app yet (also working on it).
Would maybe choose Signal for its simplicity but I do not would like to use threema, it is a bit too related to his company, rather prefer simplex as example
For privacy it’s probably one that nobody uses. Then it’s even more private because you’ll never send anything
Right!
I would recommend looking at this site. My personal recommendation would be simplex chat. It’s decentralized, doesn’t require a phone number and supports forward secrecy.
There is no one best, as we wish there would be. Depends what you want.
XMPP and Matrix are definetly the most based ones, because you are not tying yourself to one particular app and server, they’re the common languages. And this is what I would want to use for mass communication and as a base, default.
Signal is nice if those above are not enough developed yet for you. Easy to switch friends into and discover contacts with it’s phonebook based nature. But there is no open API for thrid-party apps, only reverse engineering from open source code.
If you don’t need calls Matrix has a bridge so you can use both at the same time.
There are also the most anonymous ones, like Briar, SimpleX or Session, there is a lot of them. For me their usage is when two or more people want really private chat and both agree on the app. I really can’t and don’t want to see them as the default.
SimpleX
Signal is a close second.