full-disclosure - Soft-Chewy insides (was: CyberInsecurity: The cost of Monopoly)

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From: purdy at tecman.com (Curt Purdy)
Subject: Soft-Chewy insides (was: CyberInsecurity: The cost of Monopoly)

When we get this far off-topic, how about putting up a new subject line with
a was:

Curt Purdy CISSP, GSEC, MCSE+I, CNE, CCDA
Information Security Engineer
DP Solutions

----------------------------------------

If you spend more on coffee than on IT security, you will be hacked.
What's more, you deserve to be hacked.
-- former White House cybersecurity zar Richard Clarke

-----Original Message-----
From: full-disclosure-admin@...ts.netsys.com
[mailto:full-disclosure-admin@...ts.netsys.com]On Behalf Of Paul Schmehl
Sent: Sunday, September 28, 2003 12:20 PM
To: Full Disclosure
Subject: [inbox] Re: [Full-Disclosure] CyberInsecurity: The cost of
Monopoly

--On Sunday, September 28, 2003 8:14 AM -0400 Karl DeBisschop
<kdebisschop@...rt.infoplease.com> wrote:
>
> Crunchy shell, soft-chewy insides?
>
I don't think "we" as a "security community" have even begun to tackle this
problem.  We talk about it, but who is *really* doing it?  For example, if
you want to network machines you *have* to use SMB/NetBIOS for Windows, NFS
for Unix, CIFS, or something similar.  Who is really looking at how to be
secure while still allowing internal machines to talk to each other?
Certainly none of the above protocols qualify as secure.

When a machine is problematic, for whatever reason, the usual reaction is
"block it at the firewall".  But that doesn't protect that machine from
*other* internal machines.  It only protects it from the outside.  Oh, you
might have a firewall that cordons off accounting from the rest of the
enterprise, but *inside* accounting, you still have the "soft, chewy"
problem.

I haven't really seen anything that addresses this problem, and I'm not
aware of anyone who is working on solving it.  For the most part security
thinking is still in the middle ages - build a castle with moats and outer
defensive rings, and staggered entrances to make it hard for the enemy to
get it.  Once he gets in, what does current security thinking offer?  Not
much.

What we need is a paradigm shift in thinking.

Paul Schmehl (pauls@...allas.edu)
Adjunct Information Security Officer
The University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu

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