Midnight Blizzard (aka APT29), a group of Russian hackers tied to the country’s Foreign Intelligence Service (SVR), has leveraged information stolen from Microsoft corporate email systems to burrow into the company’s source code repositories and internal systems. “It is apparent that Midnight Blizzard is attempting to use secrets of different types it has found. Some of these secrets were shared between customers and Microsoft in email, and as we discover them in our exfiltrated email, … More →

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