Cloud News

The 15 Biggest Cloud Outages Of 2022

Wade Tyler Millward

Configuration errors, record-setting summer heat in the U.K. and ‘an act of vandalism’ were among the culprits affecting cloud use this year.

December Rackspace Ransomware Attack

The aftermath of a ransomware attack against Rackspace continues to play out, with Rackspace posting online Wednesday to say that more than two-thirds of customers have moved to Microsoft 365 environments.

Rackspace also said that third-party cybersecurity vendor CrowdStrike, enlisted to help with the aftermath, confirmed that the attack was limited to hosted Microsoft Exchange environments and that there has been no attacker activity since Dec. 2.

San Antonio-based Rackspace also said that the FBI is investigating the attack.

On Dec. 5, a Monday, Rackspace slowly began restoring email services to thousands of Microsoft 365 customers after a security incident caused a massive weekendlong outage tied to its hosted Exchange.

The company initially didn’t say on Friday that the outage was caused by a security incident. But by 1:57 a.m. on Saturday, Rackspace confirmed it.

“On Friday, Dec 2, 2022, we became aware of an issue impacting our Hosted Exchange environment,” the company said in a post update.

“We proactively powered down and disconnected the Hosted Exchange environment while we triaged to understand the extent and the severity of the impact. After further analysis, we have determined that this is a security incident.”

Wade Tyler Millward

Wade Tyler Millward is an associate editor covering cloud computing and the channel partner programs of Microsoft, IBM, Red Hat, Oracle, Salesforce, Citrix and other cloud vendors. He can be reached at

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