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Re:How to make Slack less bad for you by ultramancool on Thursday August 25, 2016 @03:48PM (#12361920)
I really dislike Slack for work too. A workplace shouldn't be using "cloud" services with company chat which is likely to include private details, financial, server ops, etc. It's just asking to get it plastered all over the internet. A private XMPP or IRC server is a much better option.

Mattermost is trivial to self-host so that's probably not a bad option if you're looking for something closer to slack (I think?).

This way all the private stuff can stay inside the network and behind VPN if needed. Security 101 really.

Re:How to make Slack less bad for you by munin on Friday August 26, 2016 @01:48AM (#12364469)
> A private XMPP or IRC server is a much better option.

the slack servers probably get a lot more security attention than your private XMPP or IRC server that probably sees a few minutes a year of attention from some engineer to run "apt-get dist-upgrade" or something.

Re:How to make Slack less bad for you by TeMPOraL on Friday August 26, 2016 @05:07AM (#12365091)
But it runs over your Intranet and so is generally as secure for outside access as your VPN is, which presumably gets more attention.

Also, Slack is a much bigger and juicier target for attack.

Ultimately it's a tradeoff. You may need to pay more attention to security in-house, but in exchange you're no longer tying the critical aspects of your business to some random SV web startup that is here today, but may get acquihired tomorrow and kill the product overnight.