Eastern Sentry is a threat campaign tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed June 5, 2026; most recent activity June 5, 2026.
NATO has significantly enhanced its deterrence and defense posture along its eastern flank in response to Russia's aggressive actions, including the annexation of Crimea in 2014 and the invasion of Ukraine in 2022. The…