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Slack has, publicly, a multi-member security team! That's entirely focused on the chat system that I don't have to put any of my teams time towards.

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I'm curious...

Which is more secure?

A) Slack.

B) Open source software on a LAN accessible only through physical entry, SSH, and/or a VPN.

I would say that Patchwork which runs on SSB protocol is more secure than Slack (if used on your LAN) and it's written in a freaking javascript.

I'd vote slack.

> I'd vote slack.

Then I suggest you put more effort into securing your LAN situation because that is a vote indicating your belief your workstations are insecure.

If you don't assume your user/dev workstations are insecure, you're going to have a rough time in life.

I'm pretty confident in saying that 95% of companies have worse endpoint protection, local network protection, cloud protection, or the intersection of any two or three of those things than Slack does application protection. Maybe more than 95%.

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