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This is a public service announcement.

If your job uses Slack, please remember that the administrators that have been configured can view any channel and download all files and all information published, including channels that are "private" or between 2 individuals.

Your discussions are not secure and can be snooped upon, even private conversations.

In other words: there is no privacy on Slack. Period.

This is the end of this public service
announcement.

(Don't ask how I know that)

@arjen
True, but Mastodon is not often used in Corporate settings.

Also, while your Mastodon posting may land you in hot water with your job, the average Mastodon user will get in trouble with their instance admins long before any corporate sanction.

@ParadeGrotesque

Privé est extrêmement trompeur pour tout service en ligne.

@mortal

... Et c'est bien pour cela qu'un petit rappel une fois de temps en temps ne fait pas de mal !

@ParadeGrotesque And this is one of various reasons as to why I prefer #XMPP + #SIP instead of #Slack or many others. For other reasons see libreplanet.org/wiki/XMPP .

@lm Nope. Slack is the "commercial" version, so to speak, and Mattermost is the open source "copy" of Slack.

@ParadeGrotesque yes, I know that, but nothing is secured either on mattermost so the admin could see everything, no ?

@ParadeGrotesque I have to imagine Microsoft teams is probably just as bad, maybe worse... does anybody know?
@ParadeGrotesque @Lapineige on Slack our local admin cannot see private channels by default. And they cannot access to them or direct messages without an official request to Slack, that have to warn us about it. So yes, they can technically access, but nit directly and not so easily.

@linuxine @Lapineige@mamot.fr

Congratulations! Your organization is less evil than mine, since they assigned "all powerful" admins to our Slack channels. All of them.

@ParadeGrotesque @Lapineige ouch :/ I must say, I do not trust Slack to keep my data secret, that's why I invited my favorite colleagues to my self hosted Matrix server :D

@linuxine @Lapineige@mamot.fr

Which is also why me & a lot of friends at work use Signal for important stuff...

@ParadeGrotesque
Afair the people affected by the snooping are informed of this by slack. Correct me if I'm wrong. Our company transitioned to self hosted mattermost and decided to show images posted in private chats (nothing embarrassing, but without consent) on our Christmas party. Needless to say it caused quite the shitstorm. I'd say there's no privacy in anything not using e2e encryption.

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