Security News > 2022 > December > Rackspace: Ongoing Exchange outage caused by security incident
American cloud computing services provider Rackspace says an ongoing outage affecting its hosted Microsoft Exchange environments and likely thousands of customers was caused by a security incident.
"We are investigating an issue that is affecting our Hosted Exchange environments. More details will be posted as they become available," Rackspace said on Friday night, at 02:49 AM EST, when it acknowledged the outage.
Almost twenty-four hours later, at 01:57 AM EST, Rackspace revealed the true cause of the outage, a security incident "Isolated to a portion of our Hosted Exchange platform" that forced the company to disconnect the Hosted Exchange environment.
"On Friday, Dec 2, 2022, we became aware of an issue impacting our Hosted Exchange environment. We proactively powered down and disconnected the Hosted Exchange environment while we triaged to understand the extent and the severity of the impact," the company said.
Rackspace's Head of Global Public Relations Natalie Silva told BleepingComputer in an email sent Friday evening that the MSP is now providing affected customers with Microsoft Exchange Plan 1 licenses and instructions on how to migrate their email to Microsoft 365 until the outage is addressed.
Update December 03, 08:31 EST: Revised the article and the title after Rackspace linked its ongoing outage to a security incident.