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: often used in military and national security contexts; also called cyber warfare or cyber attack when referring to specific incidents

Examples

• The government warned that cyberwar poses a serious threat to critical infrastructure.
• Experts believe cyberwar could target power grids, hospitals, and financial systems.
• Several nations have developed cyberwar capabilities to defend against digital attacks.
• The military established a new division to prepare for potential cyberwar scenarios.
• Cyberwar differs from traditional warfare because it can be conducted remotely and anonymously.
• International agreements are being negotiated to establish rules for cyberwar conduct.