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  2. Mantrap (access control) - Wikipedia

    en.wikipedia.org/wiki/Mantrap_(access_control)

    Entrance to HM Prison Edinburgh. A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens.

  3. Mantrap (snare) - Wikipedia

    en.wikipedia.org/wiki/Mantrap_(snare)

    Two mantraps (one a "humane" type) and a spring gun. A mantrap is a mechanical physical security device for catching poachers, art thieves and other trespassers. [1] [unreliable source?] They have taken many forms, the most usual being similar to a large foothold trap, the steel springs being armed with teeth which meet in the victim's leg. In ...

  4. Turnstile - Wikipedia

    en.wikipedia.org/wiki/Turnstile

    A turnstile (also called a gateline, baffle gate, automated gate, turn gate in some regions) is a form of gate which allows one person to pass at a time.

  5. Turnstile 'spikes' installed in NYC's crime-ridden subways as ...

    www.aol.com/news/turnstile-spikes-installed-nycs...

    New York Gov. Kathy Hochul has announced a new $77 million plan to clamp down on subway crime, while the MTA has also begun installing spikes on some of its turnstiles to stop fare evaders.

  6. Physical security - Wikipedia

    en.wikipedia.org/wiki/Physical_security

    Physical security systems for protected facilities can be intended to: [2] [3] [4] deter potential intruders (e.g. warning signs, security lighting); detect intrusions, and identify, monitor and record intruders (e.g. security alarms, access control and CCTV systems);

  7. MTA modifying turnstiles to recapture $45.6M in skipped fares

    www.aol.com/mta-modifying-turnstiles-recapture...

    The MTA is slowly modifying turnstiles throughout the system to keep would-be fare-jumpers from slipping through. Maintenance teams have begun making adjustments to the turnstile mechanism to keep ...

  8. Access control - Wikipedia

    en.wikipedia.org/wiki/Access_control

    Common physical security access control with a finger print A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation.. In physical security and information security, access control (AC) is the selective restriction of access to a place or other resource, while access management describes the process.

  9. Piggybacking (security) - Wikipedia

    en.wikipedia.org/wiki/Piggybacking_(security)

    No Tailgating sign at Apple Inc. office. In security, piggybacking, similar to tailgating, refers to when a person tags along with another person who is authorized to gain entry into a restricted area, or pass a certain checkpoint. [1]

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