https://www.bleepingcomputer.com/news/security/microsoft-disrupts-apt28-hacking-campaign-aimed-at-us-midterm-elections/

Microsoft revealed last night that it successfully disrupted a hacking campaign associated with the Russian military intelligence service GRU.

The group is known in infosec industry circles as APT28, Fancy Bear, or Strontium, and has been previously linked to cyber-espionage campaigns aimed at numerous governments around the world, including to the hack of the Democratic National Committee ahead of the 2016 US Presidential Election.