Microsoft’s Role In SolarWinds Breach Comes Under Scrutiny Microsoft has become ensnared in probes surrounding the colossal U.S. government hack, with media reports and company messages focusing on Office 365, Azure Active Directory and a key domain name. By Michael Novinson December 15, 2020, 05:18 PM EST Microsoft has become ensnared in probes surrounding the recently disclosed colossal U.S. government hack, with media reports and company messages focusing on Office 365, Azure Active Directory and a key domain name. Two key victims in the massive nation-state hacking campaign reportedly had their Microsoft Office 365 accounts broken into. The Russian intelligence service hackers for months monitored staff emails sent via Office 365 at the Commerce Department’s National Telecommunications and Information Administration (NTIA) after breaking into the NTIA’s office software, Reuters reported Sunday.