4 February, 2023

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Buyer e mail knowledge accessed in ransomware assault

Rackspace revealed on Thursday that attackers behind final month’s incident accessed a few of its prospects’ Private Storage Desk (PST) recordsdata which may include a variety of data, together with emails, calendar knowledge, contacts, and duties.

This replace comes after Rackspace confirmed that the Play ransomware operation was behind the cyberattack that took down its hosted Microsoft Trade setting in December.

As found in the course of the now-finished investigation led by cybersecurity agency Crowdstrike, the attackers gained entry to the non-public storage folders of 27 Rackspace prospects.

Nonetheless, the corporate added that there is no such thing as a proof that they considered the contents of the accessed backup recordsdata or misused the knowledge.

“Of the almost 30,000 prospects on the Hosted Trade e mail setting on the time of the assault, the forensic investigation decided the risk actor accessed a Private Storage Desk (‘PST’) of 27 Hosted Trade prospects,” Rackspace mentioned in an incident report replace shared with BleepingComputer upfront.

“We have now already communicated our findings to those prospects proactively, and importantly, in keeping with Crowdstrike, there is no such thing as a proof that the risk actor truly considered, obtained, misused, or disseminated any of the 27 Hosted Trade prospects’ emails or knowledge within the PSTs in any manner.”

“Prospects who weren’t contacted immediately by the Rackspace staff could be assured that their PST knowledge was not accessed by the risk actor.”

Whereas RackSpace says there is no such thing as a proof that the risk actors accessed buyer knowledge, historical past has proven that this invariably isn’t the case.

Moreover, even when the info might not be leaked if a ransom is paid or for another motive, it is vitally seemingly that buyer knowledge was no less than considered in the course of the assault.

Affected purchasers can obtain some recovered PST knowledge

Since discovering the assault on December 2 and confirming the ensuing outage was brought on by a ransomware assault, Rackspace has been providing affected prospects free licenses emigrate their e mail from its Hosted Trade platform to Microsoft 365.

The cloud computing supplier additionally offers affected prospects with obtain hyperlinks to recovered historic mailbox knowledge (containing e mail messages earlier than December 2) via its buyer portal through an automatic queue.

“As a reminder, we’re proactively notifying prospects for whom we’ve recovered higher than 50% of their mailboxes,” the corporate mentioned.

“We’ll proceed working to get well all knowledge doable as deliberate, nonetheless, in parallel, we’re growing an on-demand answer for these prospects who do nonetheless want to obtain their knowledge. We anticipate that the on-demand answer might be out there inside two weeks.”

BleepingComputer requested a Rackspace spokesperson earlier immediately if the e-mail knowledge is being restored from Rackspace’s backups or with the assistance of a decryption device supplied by the Play ransomware attackers. We’ll replace the article when we’ve a solution.

Rackspace added in immediately’s replace that its Hosted Trade setting can be discontinued, saying that it was already planning emigrate prospects to Microsoft 365 even earlier than the December ransomware assault.

“Lastly, the Hosted Trade e mail setting won’t be rebuilt as a go-forward service providing,” Rackspace mentioned.

“Even previous to the latest safety incident, the Hosted Trade e mail setting had already been deliberate for migration to Microsoft 365, which has a extra versatile pricing mannequin, in addition to extra fashionable options and performance.”

Supply By https://www.bleepingcomputer.com/information/safety/rackspace-customer-email-data-accessed-in-ransomware-attack/