Importance of physical security controls.
Mantraps
Badges
Bollards/barricades
Signage
Alarms
Cameras
Industrial camouflage
Closed-circuit television (CCTV)
Object detection
Motion recognition
Personnel
Reception
Two-person integrity/control
Robot sentries
Guards
Locks
Biometrics
Cable locks
Physical
Electronic
USB data blocker
Lighting
Fencing
Sensors
Fire suppression
Noise detection
Proximity reader
Moisture detection
Motion detection
Cards
Temperature
Drones/UAV
Visitor logs
Faraday cages
Demilitarized zone (DMZ)
Protected cable distribution
Air gap
Secure areas
Hot aisle
Safe
Vault
Air gap
Cold aisle
Secure data destruction
Shredding
Pulping
Pulverizing
Degaussing
Burning
Third-party solutions