Physical Security - CompTIA SY0-701 Security+ - 1.2

Barricades/Bollards

• 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

Access Control Vestibules

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

Fencing

Build a perimeter - Usually very obvious

Video surveillance

- CCTV (Closed circuit television)

-- Can replace physical guards

- Camera properties are important

-- Focal length - Shorter is wider angle

-- Depth of field - How much is in focus

-- Illumination requirements - See in the dark

- Often many different cameras

-- Networked together and recorded over time

- Can provide notification of activity

-- Motion detection

Guards and access badges

Security guard

- Physical protection at the reception area of a facility

- Validates identification of existing employees

• Two-person integrity/control

- Minimize exposure to an attack

- No single person has access to a physical asset

• Access badge

- Picture, name, other details

- Must be worn at all times - Electronically logged

Lighting

More light