Amazon Exposes Years-Long GRU Cyber Campaign Targeting Energy and Cloud Infrastructure post, december 16, 2025december 17, 2025 Amazon’s threat intelligence team has disclosed details of a “years-long” Russian state-sponsored campaign that targeted Western critical infrastructure between 2021 and 2025. Targets of the campaign included energy sector organizations across Western nations, critical infrastructure providers in North America and Europe, and entities with cloud-hosted network infrastructure. The activity has been attributed with high confidence to Russia’s Main Intelligence Directorate (GRU), citing infrastructure overlaps with APT44, which is also known as FROZENBARENTS, Sandworm, Seashell Blizzard, and Voodoo Bear. Amazon Exposes Years-Long GRU Cyber Campaign Targeting Energy and Cloud Infrastructure: Amazon Exposes Years-Long GRU Cyber Campaign Targeting Energy and Cloud Infrastructure cybersecurity geopolitics 2025Russia