From: Nick Roberts <nick.roberts@acm.org>
Subject: TCSEC security levels [was: How unchecked conversion works?]
Date: Sun, 16 Jan 2005 20:52:05 +0000
Date: 2005-01-16T20:52:05+00:00 [thread overview]
Message-ID: <gemini.iafgmt002e35g03tw.nick.roberts@acm.org> (raw)
In-Reply-To: 8PwGd.8282$pZ4.6177@newsread1.news.pas.earthlink.net
Jeffrey Carter <spam@spam.com> wrote:
> Larry Kilgallen wrote:
>
> > I remember that the Honeywell SCOMP was evaluated at the A1 level.
>
> I attended a presentation at a conference in the late 1980's by a
> researcher whose project was to create an A1 OS.
> ...
> He had achieved everything except there was one small covert channel
> available.
> ...
> It seems to me that this system was a success. ... Trying to plug this
> kind of hole is a waste of time.
I couldn't agree more, and I assume this part of the reason why the TCSEC
security levels never really took hold (in the evaluation criteria of major
computer systems). In response, the Common Criteria were developed, which
don't give the impression of making any greater a mark, yet.
--
Nick Roberts
next prev parent reply other threads:[~2005-01-16 20:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-13 18:54 How unchecked conversion works? None
2005-01-13 21:22 ` Frank J. Lhota
2005-01-13 22:28 ` Keith Thompson
2005-01-14 0:17 ` Larry Kilgallen
2005-01-14 15:23 ` None
2005-01-14 15:55 ` Marius Amado Alves
2005-01-14 22:29 ` Keith Thompson
2005-01-14 23:15 ` Marius Amado Alves
2005-01-15 1:27 ` Keith Thompson
2005-01-15 2:15 ` Larry Kilgallen
2005-01-15 10:24 ` Marius Amado Alves
2005-01-15 12:02 ` Larry Kilgallen
2005-01-15 16:54 ` Nick Roberts
2005-01-16 16:14 ` Larry Kilgallen
2005-01-16 16:41 ` Jeffrey Carter
2005-01-16 20:52 ` Nick Roberts [this message]
2005-01-17 15:57 ` TCSEC security levels [was: How unchecked conversion works?] Larry Kilgallen
2005-01-17 0:34 ` How unchecked conversion works? Larry Kilgallen
2005-01-17 1:29 ` Jeffrey Carter
2005-01-17 4:20 ` Larry Kilgallen
2005-01-15 18:24 ` Jeffrey Carter
2005-01-14 16:52 ` Mark H Johnson
2005-01-14 22:27 ` Keith Thompson
2005-01-14 22:49 ` Stephen Leake
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