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Rackspace Hosted Exchange outage was caused by ransomwareRackspace has finally confirmed the cause of the security incident that resulted in an ongoing outage of its Hosted Exchange service: it's ransomware. Kali Linux 2022.4 released: Kali NetHunter Pro, desktop updates and new toolsOffensive Security has released Kali Linux 2022.4, the latest version of its popular penetration testing and digital forensics platform.

Cloud computing provider Rackspace warned customers on Thursday of increased risks of phishing attacks following a ransomware attack affecting its hosted Microsoft Exchange environment. Some customers are also reporting an increase in phishing emails impersonating Rackspace since the ransomware attack.

Rackspace has admitted a ransomware infection was to blame for the days-long email outage that disrupted services for customers. In its most recent update, posted at 0826 Eastern Time on Tuesday, Rackspace said it has now "Determined this suspicious activity was the result of a ransomware incident," and has hired a "Leading cyber defense firm to investigate."

Rackspace has finally confirmed the cause of the ongoing outage of its Hosted Exchange service: it's ransomware. "As you know, on Friday, December 2nd, 2022, we became aware of suspicious activity and immediately took proactive measures to isolate the Hosted Exchange environment to contain the incident. We have since determined this suspicious activity was the result of a ransomware incident," the company stated in the newest released service announcement.

Texas-based cloud computing provider Rackspace has confirmed today that a ransomware attack is behind its ongoing Hosted Exchange outage. "Although Rackspace Technology is in the early stages of assessing this incident, the incident has caused and may continue to cause an interruption in its Hosted Exchange business and may result in a loss of revenue for the Hosted Exchange business, which generates approximately $30 million of annual revenue in the Apps & Cross Platform segment," the company said.

Cloud computing company Rackspace has suffered a security breach that has resulted in a still ongoing outage of their Hosted Exchange environment.The connectivity issues for Rackspace Hosted Exchange customers - mostly small to medium size businesses - started on Friday, with users experiencing errors when accessing the Outlook Web App and syncing their email clients.

Rackspace has not offered any explanation of the "Security incident" that has taken out its hosted Exchange environment and led the company to predict multiple days of downtime before restoration. The Register has conversed with customers who profess to having little technical expertise - which is fair enough given Rackspace promotes its hosted Exchange service as suitable for "Any business size or need" and that an "Award-winning team of support experts is available to solve your technical problems 24x7x365."

Some of Rackspace's hosted Microsoft Exchange services have been taken down by what the company has described as a "Security incident". "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. After further analysis, we have determined that this is a 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.

American cloud computing services provider Rackspace is investigating a 12-hour-long and still active outage leading to connectivity issues and affecting hosted Microsoft Exchange environments they manage for their customers. "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.