While entering a secure data-center door that requires badge access, you notice an unfamiliar individual slip in directly behind you without presenting a badge or swiping the reader. What is the most appropriate immediate action to maintain physical security?
Lend them your badge so they can swipe in once inside
Prop the door open so they can retrieve their badge from a colleague
Politely challenge the person and escort them to security or request a valid badge
Assume they are an authorized contractor and continue to your workstation
This scenario describes tailgating-an unauthorized person following an authorized badge holder into a restricted area. Company policy should require you to stop or politely challenge the individual and direct them to show a valid badge or check in with security. Allowing entry without verification, lending your badge, or propping the door open defeats the access-control system and exposes the facility to physical compromise.
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What is tailgating in physical security?
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Why is challenging unauthorized individuals important?
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