State-backed Russian hackers broke into Microsoft's corporate email system and accessed the accounts of members of the company's leadership team, as well as those of employees on its cybersecurity and legal teams, the company said Friday. In a blog post, Microsoft said the intrusion began in late November and was discovered on Jan. 12. It said the same highly skilled Russian hacking team behind the SolarWinds breach was responsible...

(Reuters) -Microsoft said on Friday that a Russian state-sponsored group hacked into its corporate systems on Jan. 12 and stole some emails and documents from staff accounts. The Russian group was able to access "a very small percentage" of Microsoft corporate email accounts, including members of its senior leadership team and employees in its cybersecurity, legal, and other functions, the company said. Microsoft's threat research team routinely investigates nation-state hackers such as Russia's "Midnight Blizzard," who they say is responsible...

Microsoft said on Friday that a Russian state-sponsored group hacked into its corporate systems on Jan. 12 and stole some emails and documents from staff accounts. The Russian group was able to access "a very small percentage" of Microsoft corporate email accounts, including members of its senior leadership team and employees in its cybersecurity, legal, and other functions, the company said. Microsoft's threat research team routinely investigates nation-state hackers such as Russia's "Midnight Blizzard," who they say is responsible...

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The company said Midnight Blizzard, a Russian state-sponsored actor also known as Nobelium, used a password spray attack to gain entry...

Hackers "gained access" to some Microsoft employee email accounts, including some of senior leadership, according to an SEC filing...