Types of Surveillance System
                     TYPES OF 
SURVEILLANCE SYSTEM
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INTRODUCTION
 The close observation of 
person, place, or object is 
said to be surveillance.
 Generally, surveillance is the 
practice to collect detail data 
eta2u.ro to document the interactions.
Types of surveillance systems
 The types of surveillance are depended upon the 
way of carrying it.
 There are different types of surveillance systems 
such as-
1.  Electronic surveillance
2. Physical observation
3. Interviews
4. Technical
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1. Electronic surveillance system
 The electronic surveillance 
system makes use of electronic 
devices such as TV, Radio, 
Wiretapping, Microphones, etc.
In a new technical world, it 
included devices like mobile 
vicwatchgroup.com phones, emails, and social media.
2. Physical observations
When the physical watch is 
kept on the subject, persons, 
places it is said to be a physical 
surveillance system.
Investigators are hired for this 
type of surveillance system.
intertelinvestigations.com
3.Interviews
It is restricted to collect data 
about a person.
 The friends, family members, 
neighbors of a person can be 
interviewed in this type of 
surveillance system.
careerconfidential.com
24hrsinvestigation.com
4. Technical
It makes use of digital photography, cameras, audio-
video recorders.
theguestpost.com
veteraninvestigation.com
Other surveillance systems
 According to new standards, surveillance systems can 
be categorized as-
1. Environmental Surveillance system- Environmental 
issues, situations can be monitored in these types of 
surveillance systems.
hanford.gov
Other surveillance systems
Public health surveillance system- The 
observation of public health-related issues is 
done. This surveillance system further classified 
as:
1. Passive 
2. Active
3. Sentinel
app.croneri.co.uk
Importance of surveillance systems
It will help to prevent crime.
 Evidence can be collected.
 Perfect health conditions can be 
monitor
The deep study of environmental 
issues.
It helps to find a missing 
persons. 
cohs.org.uk