NATO recently conducted its largest cyber war game in Estonia, simulating a multifaceted cyber assault on civilian and military infrastructures, reflecting heightened concerns about threats from Russia and China. Participants from 29 NATO nations faced scenarios involving power blackouts, satellite disruptions, and malware attacks, highlighting the importance of international cooperation in addressing cyber threats. The exercise revealed vulnerabilities and the necessity for rapid communication and trust among allies, as adversarial actions can have cascading effects across nations. Additionally, NATO is exploring AI technology to enhance situational awareness in cyber warfare, indicating a significant shift in defense strategies against evolving hybrid threats.