As an IT security manager, you've been asked to improve measures to prevent 'tailgating' at your company's secure data center entrance. Which of the following would most effectively deter this type of security breach where an unauthorized person follows an authorized individual into a restricted area?
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Placing a turnstile at the entrance that allows entry after badge scanning
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Deploying additional video surveillance cameras at the entrance
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Implementing an access control vestibule with two-factor authentication on both sets of doors
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Installing a sign that warns against the practice of tailgating
An access control vestibule creates a secure space with two sets of doors. The individual must present proper credentials to pass through the first set of doors. Once inside, they must again validate their credentials to open the second set of doors, preventing someone from following behind unnoticed.
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