Hackers breach thousands of Microsoft customers around the world

The rapidly escalating attack drew the concern of U.S. national security officials, in part because the hackers were able to hit so many victims so quickly.

An attack on Microsoft’s widely used business email software is morphing into a global cybersecurity crisis, as hackers race to infect as many victims as possible before companies can secure their computer systems. The attack, which Microsoft has said started with a Chinese government-backed hacking group, has so far claimed at least 60,000 known victims globally, according to a former senior US official. Many of them appear to be small or medium-sized businesses caught in a wide net the attackers cast as Microsoft worked to shut down the hack.
 
Victims identified so far include banks and electricity providers, as