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🚨 '''Cybersecurity incident''' is a confirmed event in which the confidentiality, integrity, or availability of an organization's information systems or data has been compromised, resulting in actual or potential harm that typically triggers obligations under a [[Definition:Cyber insurance | cyber insurance]] policy, [[Definition:Data breach notification law | breach notification laws]], and [[Definition:Regulatory compliance | regulatory]] reporting requirements. While a [[Definition:Cybersecurity event | cybersecurity event]] may be benign or contained before causing damage, an incident implies that a threshold of impact has been crossed — data has been exfiltrated, systems have been encrypted by [[Definition:Ransomware | ransomware]], or operations have been materially disrupted. In insurance policy language, the definition of "incident" is one of the most heavily negotiated terms because it determines what activates coverage, how multiple related acts are grouped under a single [[Definition:Policy limit | limit]], and when the [[Definition:Notice provision | duty to notify]] the carrier arises.

🔧 Once a cybersecurity incident is confirmed, the insured's [[Definition:Incident response | incident response plan]] governs the immediate steps: containment, eradication of the threat, forensic investigation, and communication with affected stakeholders. The [[Definition:Cyber insurance | cyber policy]] typically provides access to a pre-approved panel of vendors — forensic firms, [[Definition:Data privacy | privacy]] attorneys, crisis communications consultants, and credit monitoring services — whose costs are covered under the policy's first-party insuring agreements. Parallel to the technical response, the insured and its legal counsel must assess whether the incident triggers mandatory [[Definition:Data breach notification law | breach notification]] obligations under statutes like GDPR, U.S. state breach laws, or sector-specific regulations such as HIPAA. The insurer's [[Definition:Claims adjuster | claims team]] works alongside these efforts, coordinating expense approvals and reserving for potential [[Definition:Third-party liability | third-party liability]] claims from affected individuals, business partners, or regulators.

💼 The financial and operational consequences of a cybersecurity incident ripple far beyond the initial breach. [[Definition:Business interruption insurance | Business interruption]] losses can dwarf the direct remediation costs, particularly when critical systems are offline for days or weeks. Regulatory fines, class-action lawsuits, and contractual penalties from clients whose data was compromised add further layers of exposure. For [[Definition:Insurance carrier | insurers]], the challenge lies in accurately reserving for incidents whose full scope may not emerge for months — a dynamic that has driven the development of specialized [[Definition:Actuarial science | actuarial]] approaches and tighter [[Definition:Underwriting guidelines | underwriting controls]]. As incidents grow in frequency and severity, the interplay between robust [[Definition:Cybersecurity | cybersecurity]] practices and well-structured insurance coverage has become a defining element of modern corporate [[Definition:Risk management | risk management]].

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Cybersecurity event]]
* [[Definition:Cyber insurance]]
* [[Definition:Incident response]]
* [[Definition:Data breach notification law]]
* [[Definition:Business interruption insurance]]
* [[Definition:Ransomware]]
{{Div col end}}

Definition:Cybersecurity incident - Revision history

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