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 Section 2:
ELEMENTS OF INTRUSION DETECTION SYSTEMS
2.1 Introduction. This section introduces the total systems approach to
security system design, The following paragraphs provide some basic
information on those elements comprising subsystems which are complementary
to electronic intrusion detection devices and underscore the principle that
these IDS elements are but a part of a whole.
2.1.1 System Integration. The term system integration describes the
critical process of completely incorporating and interfacing the various
physical elements (barriers, security devices, etc.), personnel, and
procedures into a site specific unified system which reduces and controls
vulnerability. Importantly, it is the culmination of the security
planning process described in OPNAVINST 5530.14 (U.S. Navy Physical
Security Manual), in this and related NAVFAC design manuals, and in other
Navy/DoD security directives.
2.2 Security Subsystems Overview. An integrated security system,
through its various subsystems, discourages, detects, and defeats potential
adversaries. The macro subsystems have the following functions in their
relationship to the adversary:
a) Physical resources to delay and deter the adversary;
b) Equipment installed to detect and assess alarms caused by
intrusion attempts and unauthorized activities;
c) Personnel used for security system operations, management, and
support;
d) Procedures essential for system operation and effectiveness;
and
e) Personnel equipment for security force support.
The remainder of this section summarizes several subsystems available to
the user/designer relative to the system design task. It is not within
the scope of this manual to discuss these options in detail, but instead
to concentrate upon interior and simple exterior IDS systems. However,
based upon the relative sensitivity of the site and the array of threats
postulated against the security system, each of the subsystems depicted
in Figure 2 should be considered as contributing to a final design
solution.
2.3 Barrier/Delay Subsystem. The purpose of the barrier/delay
subsystem is to channel personnel, vehicles, and materials through control
points within a protected area and to discourage, deter, and delay
unauthorized penetration attempts. The principles, techniques, and design
criteria for several elements of this susbsystem are extensively treated in
NAVFAC DM-13.01, "Physical Security." The Naval Civil Engineering
Laboratory (NCEL), Port Hueneme, California has developed a Penetration
Resistance Rating
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