On Dec 8, 2011, at 1:36 AM, Leo Bicknell wrote:

> I don't think you're looking at defense in depth in the right way,
Actually, it sometimes seems as if nobody in the industry understands what 
'defense in depth' really means, heh.

'Defense in depth' is a military term of art which equates to 'trading space 
for time in order to facilitate attrition of enemy forces'.  It does not have 
any real relevance to infosec/opsec; unfortunately, its original meaning has 
been corrupted and so it is widely (and incorrectly) used in place of the more 
appropriate 'combined arms approach' or 'jointness' or 'mutual support' or 
'layered defense' metaphors.  Hannibal's tactics at Cannae are generally cited 
as the canonical (pardon the pun) example of actual military defense in depth.

;>

-----------------------------------------------------------------------
Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com>

                The basis of optimism is sheer terror.

                          -- Oscar Wilde


Reply via email to