Disclaimer: This post is based on unclassified, open-source reporting and reflects my personal analysis and interpretations. The views expressed here are my own and do not represent the views or positions of my employer. Background Russian GRU military intelligence Unit 29155 (aka Cadet Blizzard, Ember Bear, FrozenVista, UNC2589) is a covert subunit of the Main … Continue reading The Escalation of GRU Unit 29155: Espionage and Sabotage Tactics