Disclosure in cybersecurity refers to the act of informing relevant stakeholders - such as investors, customers, regulators, or the public - about security risks, incidents, or vulnerabilities that could affect an organization’s operations, value, or reputation. Timely and transparent disclosure is essential for maintaining trust, ensuring regulatory compliance, and enabling affected parties to take appropriate actions. Disclosure can be voluntary or required by law, and it often involves sharing details about data breaches, cyberattacks, or other security issues.