Since early 2022, before the outbreak of the Russian-Ukrainian conflict, cyberspace has been extensively utilised, with cyber operations playing a pivotal role in information concealment, deception, and attacks on critical infrastructure. Warfare has evolved, growing more intricate, and the amalgamation of cyber actions with hard power effects is progressively causing greater disruption. Cyber actions have extended beyond Ukraine’s borders, influencing neighbouring NATO and EU member states. These incidents are as pertinent as they are perilous for the security of states on the eastern flank of the North Atlantic Alliance. This article explores the imperative for alliance cooperation and the development of cyber capabilities, doctrines, and strategies to foster a security environment conducive to the region. As a NATO and EU member state situated on the Eastern flank, Romania must remain a bastion of stability and a provider of security in the region. The alliances Romania is part of must adapt to confront these challenges.