True or False: Persons with access to an installation can be considered a threat.

The statement is true. Persons with access to an installation can indeed be considered a potential threat. This perspective is grounded in the understanding that individuals who have legitimate access—such as employees, contractors, or visitors—can exploit their position to conduct harmful acts or facilitate a security breach.

For security professionals, recognizing that individuals with authorized access might pose risks is crucial in developing effective risk assessment and security protocols. These personnel may have knowledge of security vulnerabilities or internal processes that could be leveraged maliciously. Hence, security measures should be designed to mitigate risks associated with insiders while distinguishing between benign and potentially harmful actions.

Moreover, in the context of antiterrorism, the notion does not imply that all insiders are threats but emphasizes the need for vigilance and thorough background checks or monitoring systems. This approach helps ensure that security is comprehensive and can respond to various scenarios, including those posed by individuals who have legitimate access to an installation.