Star Blizzard

Star Blizzard is a cyber espionage and influence group originating in Russia, associated with the aliases SEABORGIUM, Callisto Group, TA446, and COLDRIVER. The group has been active since at least 2019 and conducts persistent phishing and credential theft campaigns aligned with Russian state interests. These activities target academic, defense, government, NGO, and think tank organizations in NATO countries, particularly the US and the UK.