Microsoft is a user of SolarWinds Orion, a network management software, which is supposed to have been purported via this software. Reports claim that Microsofts own products too have been breached and have been leveraged to attack the victims. Microsoft believes that its customer data is completely safe and has not been compromised. The FBI and Department of Homeland Security (DHS) investigation is still ongoing and not much comments have yet been made regarding the progress of the investigation. It is believed that the number of victims would grow rapidly and so too would the geographical spread.”]
Source: https://gbhackers.com/microsoft-cyberattack-solarwinds/