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Date:	Tue, 30 Oct 2007 16:00:24 +0800
From:	Cliffe <cliffe@...net>
To:	Al Viro <viro@....linux.org.uk>
CC:	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: Defense in depth: LSM *modules*, not a static interface

Al Viro wrote:
> On Tue, Oct 30, 2007 at 03:14:33PM +0800, Cliffe wrote:
>   
>> Defense in depth has long been recognised as an important secure design 
>> principle. Security is best achieved using a layered approach.
>>     
>  
> "Layered approach" is not a magic incantation to excuse any bit of snake
> oil.  Homeopathic remedies might not harm (pure water is pure water),
> but that's not an excuse for quackery.  And frankly, most of the
> "security improvement" crowd sound exactly like woo-peddlers.
>   

I agree completely; but layers that provide actual security improvements 
are important.

--

Z. Cliffe Schreuders
BSc Comp Sci (Hons) & Int Comp
PhD Candidate, Casual Tutor
School of IT
Murdoch University
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