CHICAGO -- Microsoft revealed Friday that some of its corporate email accounts were hacked by a Russian-backed group. The tech company said in a blog post that its security team detected the attack on ...

RESTON, Va. (AP) — Cyber sleuths have already blamed China for a hack that exposed tens of thousands of servers running Microsoft’s Exchange email program to potential hacks. The CEO of a prominent ...

Many security experts remain alarmed about the large, Chinese-linked hack of Microsoft's Exchange email service a week after the attack was first reported. The breach is believed to have targeted ...

A sweeping cyberespionage operation targeting Microsoft server software compromised about 100 different organizations as of the weekend, one of the researchers who helped uncover the campaign said ...