Russian State-Backed Hackers Breach Microsoft Corporate Emails
State-backed Russian hackers breached Microsoft's corporate email system, accessing the accounts of senior leaders and employees in cybersecurity and legal teams. The intrusion, discovered in January, was attributed to the same Russian hacking team responsible for the SolarWinds breach. Microsoft stated that only a small percentage of corporate accounts were accessed, and some emails and documents were stolen. The company has removed the hackers' access and is in the process of notifying affected employees. The attack was initiated by compromising credentials on a "legacy" test account, and Microsoft has clarified that there is no evidence of the threat actor having access to customer environments, production systems, source code, or AI systems.
- Microsoft says state-backed Russian hackers accessed corporate emails NPR
- Microsoft executive emails hacked by Russian intelligence group, company says CNBC
- Microsoft network breached through password-spraying by Russian-state hackers Ars Technica
- Microsoft says state-sponsored Russian hacking group accessed email accounts of senior leaders CNN
- Microsoft “senior leadership” emails accessed by Russian SolarWinds hackers The Verge
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