I hadn't heard about any data leaks from Slack, so I looked it up: http://www.theverge.com/2014/10/8/6946341/slack-has-a-serious-data-leak http://www.theverge.

I hadn't heard about any data leaks from Slack, so I looked it up: http://www.theverge.com/2014/10/8/6946341/slack-has-a-serious-data-leak http://www.theverge.com/2014/10/8/6946341/slack-has-a-seriou... https://www.reddit.com/r/GlobalOffensive/comments/382mao/psa_how_to_protect_your_skype_from_leaking_your_ip/ https://www.reddit.com/r/GlobalOffensive/comments/382mao/psa... What's confusing is the second link is about Skype leaking your IP, not Slack.