More Microsoft Customers Learn Russian Hackers Saw Their Emails

More Microsoft Corp. customers are learning that emails they exchanged with the software giant were hacked by a Russian group as part of a previously reported, state-sponsored breach that had already ensnared US government agencies.

In January, Microsoft disclosed that hackers had stolen senior leaders’ emails and were trying to use them to break into customers’ communications, including those of government agencies. The company blamed the attack on a group called “Midnight Blizzard” that US and UK authorities have said is part of the Russian Foreign Intelligence Service.

Read More: Russian Hackers Are Weaponing Stolen Microsoft Passwords

Microsoft is now ...