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

(Don't ask how I know that)


@ParadeGrotesque Here's an interview with the founder. He freely admits he doesn't know why anyone is using it. (from 2015 and I dunno if there's an English version).

The question how a company can even consider outsourcing their internal communication to a third party still leaves me utterly bamboozled.

It's stupid in many ways. It isn't reliable, only claims to be. Worse, most slack or googlemail use I've seen is probably illegal under GDPR.

They just don't care.

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@ParadeGrotesque I've heard people claim Mattermost "didn't work well". I don't have any experience with it (anyone here does?) but from my experience with trying to introduce self-hosted free alternatives to proprietary bullshit, they probably just didn't (get a chance to) try very hard ...

This is, unfortunately, the case for many solutions that aim to replace proprietary stuff like Slack.

A lot of companies, these days, just can't be bothered to run their own infrastructure and prefer paying a company to do it for them.

@ParadeGrotesque The sad thing is that you see it in tech companies as well. Full of people who should know better.

Tech companies are the worst in that respect.

Seriously the worst. I have seen old school industrial companies (think big polluting activities) that are more security conscious, and cautious,than the average tech companies.

@quincy @ParadeGrotesque I use Mattermost, and it works quiet well. Also used IRC which was OK but terrible when trying to send anything else ie images as it's not supported by the protocol.
I don't like stuff like Slack and Discourse.

@quincy @ParadeGrotesque mattermost works rather well. Integrates with gitlab as wel too
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