A facility is installing a specialized enclosure with two interlocking doors to prevent more than one person from entering at a time. Which solution ensures that a single individual passes through during each cycle?
Temporarily alter door configuration during peak times to improve throughput
Adjust the alarm system to limit alerts during operation
Permit multiple individuals to pass after the outer door indicates access
Require entrants to validate their identity at the outer door while keeping the inner door locked until the outer door is closed
Controlling entry through two interlocking doors requires that the inner door remain locked until the outer door closes and an identity check is complete. This prevents tailgating and helps ensure a one-at-a-time passage. Reducing alerts or altering configurations can introduce gaps that allow multiple people through. Permitting multiple individuals to pass together is contrary to maintaining a single-person flow.
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ELI5: What is tailgating in physical security?
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Why are interlocking doors used for security?
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How does the identity validation process work with interlocking doors?