I’ve been inspecting this topic quite a lot and I’m a little confused now. So, we have reasons not to use Signal, reasons not to use Matrix, there were also some claims about Session being a fraught. Briar is mostly activists related (not very suitable for daily use), XMPP lacks good clients and suffers from fragmentation of protocol standards implementation, SimpleX is too feature-incomplete (no UnifiedPush support, big battery drain on Android, very decent desktop client without any message sync). I can’t say a lot about Threema or Wire, as I’m not very familiar with them.
So, my question is — is there any good private messenger at all? What do you think is the most acceptable option?
EDIT: In addition to my post:
All messengers have their flaws, I’m well aware of that. I was interested in hearing users’ opinions regarding these shortcomings, not in finding the perfect messenger. I may have worded my thoughts incorrectly, sorry for that.
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The German technology blog Kuketz has a comprehensive overview and comparison of all major messenger services.
Snikket is an attempt to solve the XMPP issues, or at least to reduce them, single all-in-one XMPP server distro and clients across platforms, and since it’s self-hosted no one should get their hands on your data (in normal circumstances).
That said, the saying goes “Perfect is the enemy of Good”. Just because a solution is not perfect doesn’t make it unusable, any of those options you mention full of problems are a helluva better than FB Messenger or plain SMS for example. Depending on your threat model they might be more than enough.
People say this over and over “depends on your threat model” and yet people seem to have a hard time understanding that. Your threat model is “who is your adversary and what he is willing/able to do”. Your security goal is what do you want to keep from your adversary.
As others said, if you are an activist or sth important, perhaps you might want to build a working knowledge of cryptography yourself. If you just want META not being able to see your NSFW chat with your romantic partner Signal might be more than enough. In fact, people way more relevant than me also suggest that Signal is good even for bounty hunter vulnerability reporting.
Having said that, what bugs me most is that people think the instant messaging format as suitable for everything: activism, jobs, crimes, broadcasting 1970’s prog rock for extraterestrials , whatever lmao. Do you really want to use your phone for all that? Like, just carrying the phone around in the first place nullifies your other precautions, for all advanced threat models beyond privacy of non-critical social messaging.
Persistent/resourceful adversaries can eventually get to you, using a set of penetration and intelligence techniques, which means, if you are involved, the convenience of messaging your partners in crime from the phone in your pocket while waiting for a bus is a convenience you probably can’t afford.
That article in Signal is bogus. It is entirely based on speculation from how funding comes in, and also either ignores, or misunderstands how Signal fundamentally works.
The EFF recommends Signal, and it’s one of the most secure ways to communicate.
https://ssd.eff.org/module/how-to-use-signal
You can make your own decisions, but if you just grab any random arguments, you’ll find a reason to doubt everything.
Lemmy has some sort of slander campaign going against Signal. Can’t tell if it’s just misinformed idiots or a paid shill smear campaign being run here (likely the former, Lemmy is too small for companies to give a shit about.) It’s really annoying. Same with Mozilla and Firefox. Not sure Lemmy likes anything?
Give me your phone number so I can chat with you on signal about this.
Signal has usernames (must be enabled) and you can have your phone number hidden from public view & prevent it from being used to search up your acc
That got added recently, but you still need a phone number to sign up. A phone number is tied to your identity, meaning that signal’s database has the names and addresses of everyone who uses it. And since signal is US-based, its subject to US national security letters, meaning its illegal for signal to tell anyone that the US government has requested information about who they’re talking to.
Under the Obama administration, an average of 60 NSLs were issued every single day.
Wire is the best for security (it literally won’t let you send messages unencrypted), cost (its free), privacy (no phone number required), and usability for the masses (Foss client on all the platforms, messages sync between each client like you’d expect)
I haven’t found anything that checks all those boxes other than Wire (though I do wish we had other options that came close)
You could try Molly if you don’t like Signal
For me SimpleX does everything I need. Unified push would be nice, and would address battery usage. I don’t need or want message sync, so that’s not an issue.
They all have tradeoffs, so it’s just a matter of your priorities. For instance I’m OK with the higher battery drain because it’s not using Google.
Almost all those can be self-hosted, and built from source, so matrix, xmpp, simplex, are fine. Don’t use anything that’s uses a centralized server in a five eyes country, like signal or threema.
Conversations for android is an example of a good XMPP client.
Any iOS equivalent?
Monal comes close.
Motal is participating in GSoC this year to get some new features too.
But this is a wider issue that developing free software for Apple products is way too expensive (time & money) to be feasible while also going against the general free software ethos. It should be no surprise the walled garden of a proprietary OS that charges you to publish to their store has a severe lack of free or otherwise ethical software (which is important for security for something as important as a messaging app full of private data).
