Slack, a popular enterprise communications platform, faced a 5-hour system outage yesterday between 9:25 AM – 2:24 PM EST on February 22, 2022. Slack services affected included: messaging, search, link previews, apps/integrations/APIs, posts/files, workspace/org administration, login/SSO, notifications, connections, and calls. AlertOps was NOT affected by this outage.

We saw that no one is immune from major IT outages in 2021, not even mega titans like Google, Facebook, and Amazon AWS. The following is a recap of some of the major IT outages with widespread impact for 2021. Amazon Web Services’ (AWS) historic outage occurred on December 7, 2021 and lasted roughly 6 and a half hours. The breadth of Amazon and its reach caused not only their warehouse and delivery operations to stop.