AST September 2018 'ASTORS' Showcase Edition Sep 2018 Final (9.18.18) | Page 27

fication
Volume 27 refer back
to these four D’s
in their training
of security profes-
sionals.
Therefore many se-
curity design en-
gineers and oth-
ers will be mindful
of these Four D’s
when planning a
strategy.
September 2018 Edition
Security design professionals decide how and where to implement security features in a
well-engineered project. (Courtesy of ASIS)
assets is to deter any type of at-
We know that many security de- tack or attempt by a potential ad-
signs include the use of pedes- versary.
trian entrance control, i.e.;
turnstiles, optical turnstiles, Your pedestrian entrance control
system is a very visible and formi-
portals and security revolving dable (in many cases) presence at the
doors.
front line of your building or campus.
These devices when included in the
overall security plan certainly ad- A well-engineered architectur-
dress the four D’s very effectively. ally designed system will blend
well aesthetically yet its presence
Let’s examine each one.
is obvious.
All who pass by or through the
Deter.
lobbies and entrances (often the
The first objective in protecting front line of defense) of your
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