What term is used to describe allowing unauthorized access to restricted areas?

The term that is most accurately used to describe allowing unauthorized access to restricted areas is a breach of security. This term specifically signifies a failure in security measures that results in unauthorized individuals being able to enter an area that is meant to be secured. It encompasses various types of failures, whether intentional or accidental, and emphasizes the seriousness of the infraction as it can lead to potential risks, harm, or exposure to sensitive information or resources.

For instance, a breach could occur due to various reasons such as inadequate security protocols, failure of access control mechanisms, or even social engineering techniques employed by unauthorized individuals. This term underlines the critical importance of maintaining robust security measures in order to prevent such incidents from occurring.

While "unauthorized access" is closely related and describes the act itself, the term "breach of security" encompasses the entirety of the failure or lapse in security protocols that allowed for that unauthorized access to happen. Therefore, it captures the broader context of security management and the implications involved in such an incident.