1. hostile actions carried out using computers, networks, or the internet to damage, disrupt, or gain unauthorized access to an adversary's systems, infrastructure, or information
Usage: uncountable; modern usage; often used in military and national security contexts

Examples

• The government established a new division to defend against cyberwarfare threats.
• Cyberwarfare can target critical infrastructure such as power grids and water systems.
• Experts warn that cyberwarfare is becoming an increasingly common tactic in international conflicts.
• The military conducted training exercises to prepare soldiers for potential cyberwarfare scenarios.
• Banks invest heavily in security to protect against cyberwarfare and data theft.
• Cyberwarfare operations may involve stealing classified information or disrupting communications networks.