[Cisspstudy] Shon Harris Physical Security Questions pt3

[Holland, Brandon]

Last email of the day...

In the same chapter 6, Physical Security, I'm reading about locks again
and noticed (while trying to get a visual on the different types of
locks) on Wikipedia it says 
A Wafer tumbler lock is NOT the same as a disc tumbler lock.

http://en.wikipedia.org/wiki/Wafer_tumbler_lock
http://en.wikipedia.org/wiki/Disc_tumbler_lock

Although, both descriptions denote that people often incorrectly refer
to a wafer tumbler as a disc tumbler in regions where actual "disc
tumbler" locks are rare... it still leaves a begging question as their
relative security seems to be on opposite spectrums.

What makes it confusing to me is a wafer tumbler lock is a relatively
low security lock compared to a pin tumbler lock, but a disc tumbler
lock appears to be a "high security" lock that's hard to pick according
to Wikipedia.  (Now whether that's considered higher security than pin
tumbler is another question)

So my question is, if I get a question about the strength of a disc
tumbler lock to a pin tumbler lock, to which definition should I adhere
for the test?

I'm actually getting serious about this test now and will start picking
it apart hoping to better understand as I've set a date to take the test
on Oct. 25th.

Thanks for your help,

Brandon Holland
Army Fleet Support
ITS | Network Services
Ph:  598-0626


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