1. a malicious attempt to damage, disrupt, or gain unauthorized access to a computer system, network, or digital infrastructure
Usage: commonly used in technology, security, and news contexts; often used in plural form

Examples

• The company suffered a major cyberattack that compromised customer data.
• Government agencies are working to defend against cyberattacks on critical infrastructure.
• Cyberattacks have become increasingly sophisticated and frequent in recent years.
• The bank implemented new security measures to prevent cyberattacks.
• Hackers launched a cyberattack on the university's computer network.
• Cyberattacks can cause significant financial and reputational damage to organizations.