Oregon DPSST Security Professional Practice Test 2025 – Your All-in-One Guide to Exam Success!

A security breach refers to an incident where unauthorized individuals gain access to sensitive information, systems, or property. This unauthorized access can occur through various means, such as hacking, phishing, or physical intrusion. The term encompasses a broad range of violations, including data theft, loss of privacy, and compromises to physical security, which can have serious implications for both individuals and organizations.

Understanding what constitutes a security breach is crucial for security professionals, as it helps them identify potential vulnerabilities and implement appropriate measures to prevent such incidents. This answer highlights the significance of protecting sensitive information and the need for robust security protocols to ensure that unauthorized access does not happen. While other options describe various scenarios related to security, they do not accurately define what a security breach is.