"Potential intruders" refers to people who may try to enter or enter a place, such as a home or building, without permission. They are individuals who pose a possible threat as they could cause harm or commit illegal activities. Full definition
Its anti-climb design helps to dissuade potential intruders, and it can be customised for barbed, razor wire or Rota Spike ® for enhanced security. (education-today.co.uk)
Furthermore, an Intrusion Prevention System aids in the detection of potential intruders and minimizes their impact if success is achieved. (transportation.gov)
Ultimately, what you want to teach your dog is the ability to discern between harmless guests and potential intruders by showing them the way that threats would behave. (animalso.com)