Here at SlashGear, we’re big fans of Slack. It’s easy to use, sips battery power ever so slightly, and can be scaled to your needs. Still, the service is not without it’s issues. Late last year, a bug was discovered in Slack that allowed just about anyone to peer into any room on Slack. Quickly patched, it was still concerning. Today, the company is admitting more fault; it seems Slack was hacked. For four days in February, someone had quite a bit of access to your info.