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