Explain the importance of physical security controls.

Explanation may include physical vulnerabilities and predisposing conditions and the following:

  • Tamper protection alerts
  • Lighting
  • Signs
  • Fencing/gate/cage
  • Security guards
  • Alarms
  • Safes
  • Secure cabinets/enclosures
  • Protected distribution/Protected cabling
  • Airgap
  • Mantrap
  • Faraday cage
  • Lock types
  • Biometrics
  • Barricades/bollards
  • Tokens/cards
  • Environmental controls
    • heating, ventilation, and air conditioning (HVAC) systems
    • Hot and cold aisles
    • Fire suppression

  • Cable locks
  • Screen filters
  • Cameras
  • Motion detection
  • Logs
  • Infrared detection
  • Key management

Process/Skill Questions:

  • What logs can be evaluated for security issues?
  • Where would one locate evidence of an access violation?
  • To gain access to the environment, which security controls should be used?
  • What is the purpose of a Faraday cage?
  • What are the security implications of automated environmental controls?