Re: SearchSecurity: 13 Design Principles for 2013

[Gary McGraw <gem () cigital com>]

Excellent idea Gunnar!  This is the kind of conceptual comparison that we don't do enough of.

gem

From: Gunnar Peterson <gunnar () arctecgroup net<mailto:gunnar () arctecgroup net>>
Reply-To: Gunnar Peterson <gunnar () arctecgroup net<mailto:gunnar () arctecgroup net>>
Date: Thursday, January 17, 2013 6:39 PM
To: gem <gem () cigital com<mailto:gem () cigital com>>, Secure Code Mailing List <SC-L () securecoding org<mailto:SC-L 
() securecoding org>>
Cc: "EParizo () techtarget com<mailto:EParizo () techtarget com>" <EParizo () techtarget com<mailto:EParizo () 
techtarget com>>
Subject: RE: [SC-L] SearchSecurity: 13 Design Principles for 2013

Good piece. Saltzer and Schroeder's work is the deus ex machina in so much of security. On the software side, esp in 
the case of Twitter, Facebook et al, the equivalent is David Gelernter.

I did a mashup of these titans and I must say I think there is a fair(and increasing) amount of impedance mismatch. 
Meaning many of S& S's fundamental assumptions do not apply in Gelernter's universe. For example how do I completely 
mediate in a federation? Answer: you dont you have partial control at best.

http://1raindrop.typepad.com/1_raindrop/2008/06/mashup-of-the-titans.html

Gunnar


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-------- Original message --------
From: Gary McGraw <gem () cigital com<mailto:gem () cigital com>>
Date:
To: Secure Code Mailing List <SC-L () securecoding org<mailto:SC-L () securecoding org>>
Cc: "Parizo, Eric" <EParizo () techtarget com<mailto:EParizo () techtarget com>>
Subject: [SC-L] SearchSecurity: 13 Design Principles for 2013


hi sc-l,

Merry new year to you all.

About the hardest part of software security is design.  Everything about it is hard: secure design, threat modeling, 
architectural risk analysis, etc.  Even convincing slow pokes that there is a difference between bugs and flaws is hard 
(you should see the "reviews" my talk got from the "expert" RSA program committee this year…hah!).  For many years I 
have struggled with how to teach people ARA and security design.  The only technique that really works is 
apprenticeship.  Short of that, a deep understanding of security design principles can help.

in 1975 Salzer and Schroeder wrote one of the most important papers in computer security.  In it, they introduced the 
concept of security principles.  I riffed on that this month in my SearchSecurity column.  Please read it and pass it 
on.  Give a copy to all of the software architects you know.

http://searchsecurity.techtarget.com/opinion/Thirteen-principles-to-ensure-enterprise-system-security

gem

company www.cigital.com
podcast www.cigital.com/silverbullet
blog www.cigital.com/justiceleague
book www.swsec.com


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