Core Concepts and Principles Flashcards

A security officer stationed at a lobby desk who checks IDs primarily performs which function in a physical protection system?

Answer: Access control and detection

Officers screening entrants control access and detect unauthorized persons attempting entry.

Which statement about locks is most accurate from a physical security perspective?

Answer: Locks are primarily delay devices

Any lock can be defeated with enough time and skill, so locks are considered delay mechanisms.

What is the main purpose of a clear zone on both sides of a perimeter fence?

Answer: Provide unobstructed observation and deny concealment

Clear zones remove cover so intruders can be observed and cannot hide or use objects to scale the fence.

Which control type is a written visitor sign-in policy?

Answer: Administrative (procedural) control

Policies and procedures are administrative controls that govern behavior.

Why should security system design begin with a defined design basis threat (DBT)?

Answer: It specifies adversary capabilities the system must defeat

The DBT defines the adversary attributes and tactics against which the protection system is designed and evaluated.

A security director justifies a new camera system by showing reduced losses exceed its cost. This approach is called:

Answer: Cost-benefit analysis

Cost-benefit analysis compares the cost of a countermeasure with the loss reduction it provides.

Which is the best example of a deterrent measure?

Answer: Visible signage warning of CCTV monitoring

Deterrence works by visibly increasing the perceived risk to the offender before an attempt is made.