What does local security focus on preventing?

Local security is primarily concerned with safeguarding friendly forces and operational bases from enemy actions that aim to gather intelligence or conduct attacks. This focus encompasses various activities, including preventing enemy forces from being able to surveil or engage friendly troops. By establishing effective local security measures, units can secure their perimeters, detect intrusions, and deter potential threats, thereby enhancing their operational effectiveness in a given area.

In contrast, immediate threats in urban combat, logistical failures in supply chains, and sabotage of communication lines are all important aspects of military operations but do not directly align with the overarching goal of local security, which is to create a secure environment free from enemy presence and influence.