Russian Midnight Blizzard Hackers Breached Microsoft Source Code

**Microsoft confirms Midnight Blizzard intrusion and theft of source code:** Microsoft disclosed that Russian state-sponsored actors (Midnight Blizzard / Nobelium / APT29) infiltrated a non-production tenant via password spray, accessed a subset of corporate email accounts including senior and security staff, and exfiltrated emails, documents and portions of source code for Windows, Office and other products; Microsoft is investigating, increasing security controls, and warns the theft could enable zero-day discovery and exploitation.