Cyberattack

A cyberattack is an attack on computer systems involving an unauthorized action that compromises the confidentiality, integrity, or availability of content. Perpetrators may be criminals, hacktivists, or states that exploit weaknesses and may use malware. Attacks can cause financial losses and identity theft, while detection may be absent or delayed. Cyberattacks are usually illegal in crime and warfare, but attribution and prosecution are often difficult.

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Target

Computer systems

Potential perpetrators

Criminals, hacktivists, or states

Possible harms

Financial losses and identity theft