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  2. Access control - Wikipedia

    en.wikipedia.org/wiki/Access_control

    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. The act of accessing may mean consuming, entering, or ...

  3. Mantrap (access control) - Wikipedia

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

    Mantrap (access control) 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. [1] [2] [3] Airlocks have a very similar design, allowing ...

  4. Keycard lock - Wikipedia

    en.wikipedia.org/wiki/Keycard_lock

    Keycard lock. A keycard lock is a lock operated by a keycard, a flat, rectangular plastic card. The card typically, but not always, has identical dimensions to that of a credit card, that is ID-1 format. The card stores a physical or digital pattern that the door mechanism accepts before disengaging the lock.

  5. Electric strike - Wikipedia

    en.wikipedia.org/wiki/Electric_strike

    Electric strike. Electric strike with monitoring contact. An electric strike is an access control device used for door frames. It replaces the fixed strike faceplate often used with a latch (also known as a keeper ). Like a fixed strike plate, it normally presents a ramped or beveled surface to the locking latch allowing the door to close and ...

  6. Smart lock - Wikipedia

    en.wikipedia.org/wiki/Smart_lock

    Smart lock. A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology and Internet ...

  7. Lock and key - Wikipedia

    en.wikipedia.org/wiki/Lock_and_key

    A typical modern padlock and its keys. A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, RFID card, security token or coin), by supplying secret information (such as a number or letter permutation or password), by a combination thereof, or it may only be able to be opened from one side, such as a door chain.

  8. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    A quick demonstration of an electronic door lock. An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which ...

  9. Physical security - Wikipedia

    en.wikipedia.org/wiki/Physical_security

    Physical security describes security measures that are designed to deny unauthorized access to facilities, equipment, and resources and to protect personnel and property from damage or harm (such as espionage, theft, or terrorist attacks). [1] Physical security involves the use of multiple layers of interdependent systems that can include CCTV ...