Difference between revisions of "Measure type: Screening"
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− | '''Screening''' is the [[measure]] of reducing risk by |
+ | '''Screening''' is the [[measure]] of reducing risk by testing all traffic entering and/or exiting a certain area or object on criteria to determine their right to do so. |
== Description == |
== Description == |
Revision as of 13:17, 25 March 2013
Screening is the measure of reducing risk by testing all traffic entering and/or exiting a certain area or object on criteria to determine their right to do so.
Contents
Description
Instead of seeking to exclude potential perpetrators (as in access control), this set of tactics seeks to increase the likelihood of detecting persons who are not in conformity with entry requirements (entry screening) or detecting the attempted removal of objects that should not be removed from protected areas (exit screening):
- Closed-circuit TV
- Metal detectors
- Vibration detectors
- Motion detectors
- Perimeter alarm system
- Library book tags
Examples
- Vignette on the car window [1]
Essential conditions
Requirements to the urban environment
Effectiveness
Side effects
Footnotes and references