2.1 - Physical Security Flashcards
1
Q
Access control vestibule
A
- All doors normally unlocked
– Opening one door causes others to lock - All doors normally locked
– Unlocking one door prevents others
from being unlocked - One door open / other locked
– When one is open, the other cannot be unlocked - One at a time, controlled groups
– Managed control through an area
2
Q
Badge reader
A
- Magnetic swipe, RFID, or NFC
– Many different identification methods - Different applications
– Time clocks
– Security guard patrols
– Door access
3
Q
Video surveillance
A
- CCTV (Closed circuit television)
– Can replace physical guards - Camera features are important
– Object detection can identify a license plate or
person’s face - Often many different cameras
– Networked together and recorded over time - Motion detection
– Radio reflection or passive infrared
– Useful in areas not often in use
4
Q
Alarm systems
A
- Circuit-based
– Circuit is opened or closed
– Door, window, fence
– Useful on the perimeter - Motion detection
– Identify motion without a camera - Duress
– Triggered by a person
– The big red button
5
Q
Door locks
A
- Conventional - Lock and key
- Deadbolt - Physical bolt
- Electronic - Keyless, PIN
- Token-based - RFID badge, magnetic swipe card, or key fob
- Biometric - Hand, fingers or retina
- Multi-factor - Smart card and PIN
6
Q
Equipment locks
A
- Data center hardware is usually managed by different
groups
– Responsibility lies with the owner - Racks can be installed together
– Side-to-side - Enclosed cabinets with locks
– Ventilation on front, back, top, and bottom
7
Q
Guards and access lists
A
- Security guard
– Physical protection at the reception area of a facility
– Validates identification of existing employees
– Provides guest access - ID badge
– Picture, name, other details
– Must be worn at all times - Access list
– Physical list of names
– Enforced by security guard - Maintains a visitor log
8
Q
Barricades / bollards
A
- Prevent access
– There are limits to the prevention - Channel people through a specific access point
– And keep out other things
– Allow people, prevent cars and trucks - Identify safety concerns
– And prevent injuries - Can be used to an extreme
– Concrete barriers / bollards
– Moats
9
Q
Fences
A
- Build a perimeter
– Usually very obvious
– May not be what you’re looking for - Transparent or opaque
– See through the fence (or not) - Robust
– Difficult to cut the fence - Prevent climbing
– Razor wire
– Build it high