17 December 2020, 9:42 pm EST By The U.S. officials has revealed that Microsoft was included in the massive breach, but people familiar with the matter warned that it could just be the tip of the iceberg. The incidents affecting Microsoft and the software company SolarWinds Corp. may be just be a part of software supply chain attack that have been going on for months. According to Reuters, the malware inflicted on Orion IT products are believed to have found their way into U.S. government agencies like the Defense and Energy Departments, including the National Nuclear Security Administration (NSSA) that manages the US nuclear weapons.