Atlantic Council maps Russian hybrid threats to NATO flank
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Atlantic Council report details Russia's military, cyber, espionage, and information operations against Baltic states, Poland, and Romania, and frontline defense responses.
This Atlantic Council 'Russia Tomorrow' series report is a policy and threat analysis examining Russia's coordinated hybrid warfare campaign against NATO's eastern flank states—Estonia, Latvia, Lithuania, Poland, and Romania. It covers four threat categories: military coercion (forward-deployed forces, airspace incursions, nuclear signaling via Kaliningrad and Belarus, migration instrumentalization), cyber operations and infrastructure sabotage (DDoS attacks, energy-grid intrusions, undersea cable/pipeline threats, railway sabotage), information warfare (disinformation targeting Russian-speaking minorities, historical revisionism, antisemitic narratives), and espionage/covert operations (spy networks, assassination plots, real-estate acquisitions near strategic sites).
From a cyber-defense perspective, notable incidents include a December 2025 attack on a Polish combined heat-and-power plant serving ~500,000 residents, a 144% year-over-year increase in handled cyber incidents in Poland (nearly 273,000 in 2025), 2022 DDoS attacks on Lithuanian government and private-sector websites attributed to pro-Kremlin groups, GPS interference and aviation/maritime safety disruptions in the Baltics, and cyber/information operations targeting Romanian electoral and judicial institutions during the 2024 election cycle. NATO has responded with initiatives like Baltic Sentry (maritime surveillance) and Eastern Sentry (counterdrone/air defense).
This is a geopolitical and policy-focused report rather than a technical threat intelligence advisory—it contains no IOCs, CVEs, malware samples, or specific TTPs suitable for detection engineering. It is useful for strategic context on Russian state-sponsored hybrid threat posture but does not provide actionable technical indicators. The report recommends NATO and allies shift from reactive deterrence-by-denial toward deterrence-by-punishment with credible costs for Russian provocations.
Mentioned in this report
Source reporting: https://www.atlanticcouncil.org/content-series/russia-tomorrow/the-deterrence-gap-how-can-nato-protect-its-front-line-from-russia
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