Microsoft is investigating whether a leak from its early alert system for cybersecurity companies allowed Chinese hackers to ...

The company said state-backed hacking groups were breaching systems through flaws in SharePoint, which is used by the U.S.

In May, Vietnamese cybersecurity researcher Dinh Ho Anh Khoa uncovered a vulnerability in Microsoft Corp.’s document ...

Researchers say Chinese actors, along with other criminal hackers, exploited a security flaw in SharePoint software widely ...

On Friday, Microsoft disclosed that the hacking group it calls Midnight Blizzard, also known as APT29 or Cozy Bear — and widely believed to be sponsored by the Russian government — hacked some ...