https://www.bleepingcomputer.com/news/microsoft/nobelium-hackers-accessed-microsoft-customer-support-tools/

Microsoft says they have discovered new attacks conducted by the Russian state-sponsored Nobelium hacking group, including a hacked Microsoft support agent's computer that exposed customer's subscription information.

Nobelium is Microsoft's name for a state-sponsored hacking group believed to be operating out of Russia responsible for the SolarWinds supply-chain attacks.