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Thursday, February 22, 2024

Microsoft Executives’ Emails Hacked by Group Tied to Russian Intelligence

An elite hacking group sponsored by Russian intelligence gained entry to the emails of a few of Microsoft’s senior executives starting in late November, the corporate disclosed in a weblog put up and regulatory submitting on Friday.

Microsoft stated it had found the intrusion every week in the past and was nonetheless investigating. The hackers appeared to deal with combing via Microsoft’s company electronic mail accounts to search for data associated to the hacking group, which Microsoft’s researchers known as Midnight Blizzard.

The hackers seemed via emails from Microsoft’s senior management workforce in addition to workers in cybersecurity, authorized and different teams, and took some emails and attachments, the corporate stated. The corporate, which had labored with cybersecurity corporations and governments to analyze earlier assaults by the hacking group, didn’t title the executives whose emails had been focused.

The Russian International Intelligence Service has run the hacking group since no less than 2008, in accordance to the U.S. Cybersecurity and Infrastructure Safety Company. The group is understood by quite a lot of nicknames, together with Cozy Bear, the Dukes and A.P.T. 29, and has been behind quite a lot of high-profile hacks, in line with earlier U.S. authorities investigations.

Targets have included the computer systems of the Democratic Nationwide Committee in 2015 and the tech provider SolarWinds, which allowed Russia to acquire entry to techniques on the State Division, the Division of Homeland Safety and elements of the Pentagon in 2020. Microsoft known as that incident “probably the most refined nation-state cyberattack in historical past.”

The tactic used within the new hack seems to be much less unique — a comparatively fundamental tactic generally known as password spraying, by which hackers strive widespread passwords on an unlimited array of accounts. The group, which has been identified to make use of this tactic, discovered a gap in an previous account for a testing system, after which used that account’s permissions to achieve entry to the company electronic mail accounts, Microsoft stated.

“To this point, there is no such thing as a proof that the menace actor had any entry to buyer environments, manufacturing techniques, supply code or A.I. techniques,” Microsoft stated in a press release.

The regulatory submitting stated the corporate had notified and was working with legislation enforcement.

Microsoft, which provides know-how to many Western governments, has lengthy been the goal of nation-state hacking. Final yr, Chinese language hackers breached Microsoft’s techniques and gained entry to the e-mail accounts of Commerce Secretary Gina M. Raimondo and different authorities officers.

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