A corporate campus wants to stop vehicles from ramming through its main glass lobby doors while still allowing employees and visitors to walk in freely. Which physical security control should be installed directly in front of the entrance to block unauthorized vehicles?
Video surveillance cameras
Fences
Bollards
Badge reader
Bollards are short, sturdy posts anchored in the ground. When placed close together in front of a doorway or storefront, crash-rated bollards create a physical barrier that can stop or severely slow a vehicle, preventing a smash-and-grab or terror attack while permitting easy pedestrian access. Fences and video surveillance may deter or record intruders but do not directly stop a rushing vehicle at the door. Badge readers provide logical access control for people, not vehicles. Therefore, bollards are the appropriate control.
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