Physical

• Access control vestibule: Controls access so only one person can enter at a time, preventing tailgating and piggybacking.
• CCTVs are older analogue video surveillance systems.
• Alarm systems: Uses sensors to check if door or windows are open.
• Motion sensors: Detect physical movements.
• Types of motion sensors: Passive Infrared, Microwave, Dual Tech/Hybrid.
• Door locks: Lock doors.
• Equipment Locks: Theft prevention.
• Guards: Human security guards.
• Fences: A barrier enclosing an area of ground to prevent unauthorised access.
• Bollards: A sturdy, vertical post to prevent vehicles from colliding or crashing into structures.

  
• NVR (Network Video Recorder) aggregates all the IP camera feeds into a single interface.

  
• IP cameras have replaced the older analogue video surveillance systems.

  
• Badge reader: Used to read data from authentication cards.

  
• Vestibule: A small room leading into a larger place.

  
• Key fob: Remote keyless system
• Mantrap: A buffer area between an unsecured and secured area.