 This is a Bloomberg Money Minute. A cyber attack against Microsoft back in January was bigger than first thought. More Microsoft customers are learning now that emails they exchanged with the software giant were hacked by a Russian group as part of a state-sponsored breach that had already hit U.S. government agencies. The company blamed the attack on a group called Midnight Blizzard that U.S. and U.K. authorities have sent as part of the Russian Foreign Intelligence Service.