Cyberwarfare refers to the use of digital attacks by one nation to disrupt the vital computer systems of another. These attacks can target government networks, financial institutions, and critical infrastructure, aiming to cause damage, steal information, or create chaos. Countries often engage in cyberwarfare to gain strategic advantages without traditional military confrontation. Techniques may include hacking, malware deployment, and denial-of-service attacks. Notable incidents, such as the Stuxnet worm, demonstrate the potential impact of cyberwarfare on national security and international relations.