chapter 6 Flashcards
(91 cards)
Three factors of personal property that can help business owners determine loss potential from a criminal act.
1) Convertibility;
2) Value;
3) Portability.
Methods criminals use that can result in loss to real and personal property.
1) Forced entry into building;
2) Forced entry into protected enclosures;
3) Unforced entry into building or protected enclosures;
4) Forced opening of building and protected enclosures;
5) Vandalism and mailicious acts;
6) Espionage;
7) Shoplifting;
8) Employee theft
Main function of physical and electronic protection devices
To restrict unauthorized access to property
The purpose of a perimeter protection system
To control access to premises when the business is closed
3 methods to gain access to protected enclosures and provide an example of each
1) Mechanical; Drills & Pry Bars
2) Thermal; cutting torches
3) Explosion; dynamite
Partial perimeter protection.”
Only the openings to the building are protected.
Disadvantages of partial perimeter protection
1) Forced entry through walls or ceilings not detected;
2) Stay-behind thieves not detected until they leave premises
Complete perimeter protection
Protects all openings into the building, including enclosing walls, ceilings and floors
“Physical protection
Physical barriers to restrict unauthorized access to property.
What is the purpose of Area Protection Devices?
these devices protect the interior of the buildings when businesses are closed or open
Two kinds of physical protection
1) Locks;
2) Bars or screens
“Electronic protection.”
Electronic barriers to restrict unauthorized access to property.
Describe how interior trapping devices work and provide two examples
these devices guard the interior of buildings and have an element of surprise to the intruder
1) Pressure sensitive mats under carpeting or stair treads
2) Magnetic contact switches on interior doors
Explain how heat detectors work and provide 2 advantages
These are passive devices which do not transmit signals, they sense the body heat of the thief as they enter the area being protected
1) low cost
2) fewer false alarms
Two kinds of electronic protection
1) Magnetic contact switches;
2) Glass breakage alarms
The main purpose of area protection devices
To restrict unauthorized entry into areas where valuable property is stored
Frequency of false alarms - movement of drapes, banners, signs, etc
Key disadvantage of motion detector systems.
How infrared intrusion detection systems work
Senses the body heat of intruder as s/he moves through the area under surveillance; the change in the normal heat profile causes alarm to trigger.
Advantages of infrared intrusion detection systems.
) Can be installed to provide several patterns of coverage;
2) Several units can be operated from one master device;
3) Good for use in areas where moving fans, drapes of falling objects would cause nuisance alarms.
Advantages of cameras and CCTV for area protection.
Hold-up and fraud deterrent;
2) Assist police in identifying and convicting criminals;
3) Reduce shoplifting.
The purpose of point protection.
Provides direct security for individual items
Items that require point protection.
Safes;
- Vaults;
- Chests;
- Filing cabinets;
- Display cases;
- Expensive equipment
Two ways alarm systems can be controlled
1) Locally supervised;
2) Central station (the most effective
What type of alarm service offers the best form of supervisory service?
Central Station Service