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Rackspace Confirms Ransomware Assault as It Tries to Decide If Information Was Stolen

By Eduard Kovacs on December 06, 2022

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Cloud firm Rackspace has confirmed being focused in a ransomware assault after it was pressured to close down its Hosted Trade atmosphere.

Rackspace’s hosted Microsoft Trade service began experiencing issues on Friday, December 2. The corporate shut down the impacted atmosphere and confirmed on Saturday that it was a safety incident.

On Tuesday morning, the corporate confirmed that the suspicious exercise inflicting the disruption was the results of a ransomware assault.

SecurityWeek has checked the leak web sites of a number of main ransomware teams, however has not seen any point out of Rackspace. Nevertheless, for the reason that incident may be very latest, the cybercriminals are doubtless nonetheless making an attempt to barter with the corporate earlier than itemizing it on their web site and threatening to leak stolen information.

Rackspace famous that it’s nonetheless early to say whether or not any information has been compromised. It doubtless is dependent upon how lengthy the attackers spent inside the corporate’s programs earlier than the hack was detected.

“If we decide delicate data was affected, we’ll notify clients as applicable,” Rackspace mentioned.

“Primarily based on the investigation up to now, we consider that this incident was remoted to our Hosted Trade enterprise. The Firm’s different services are absolutely operational, and now we have not skilled any impression to our Rackspace E-mail product line and platform,” it added.

Impacted Rackspace clients have been instructed to modify to Microsoft 365 for electronic mail providers. The corporate mentioned it managed to revive electronic mail providers to hundreds of consumers on Microsoft 365.

Safety researcher Kevin Beaumont believes the incident might contain exploitation of the Microsoft Trade vulnerabilities tracked as CVE-2022-41040 and CVE-2022-41082, often known as ProxyNotShell.

ProxyNotShell got here to mild in late September after a Vietnamese cybersecurity firm noticed it being exploited within the wild. Microsoft confirmed exploitation and linked it to a state-sponsored hacker group.

The tech large rushed to share mitigations, however consultants confirmed that they may very well be simply bypassed. Microsoft solely launched patches in November.

Beaumont seen {that a} Rackspace Trade server cluster that’s at present offline was working a construct quantity from August 2022 a number of days previous to the incident disclosure. Contemplating that the ProxyNotShell vulnerabilities have been solely mounted in November, it’s potential that risk actors exploited the failings to breach Rackspace servers.

Associated: BEC Scammers Exploit Flaw to Spoof Domains of Rackspace Prospects

Associated: Over 80,000 Trade Servers Nonetheless Affected by Actively Exploited Vulnerabilities

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