RUSSIAN HACKERS STOLE MICROSOFT CORPORATE EMAILS IN MONTH-LONG BREACH

Summary from the TLDR InfoSec newsletter

Microsoft has warned that some of its corporate email accounts were breached and data was stolen by a Russian state-sponsored hacking group known as Midnight Blizzard. The attack was detected on January 12th and was conducted by Russian threat actors known as Nobelium, or APT29. The hackers gained access to a test account and used it to access a small percentage of Microsoft's corporate email accounts for over a month.