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From: Kilgallen@SpamCop.net (Larry Kilgallen)
Newsgroups: comp.lang.ada
Subject: Re: How unchecked conversion works?
Date: 16 Jan 2005 22:20:25 -0600
Organization: LJK Software
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In article <5yEGd.9533$Ii4.6708@newsread3.news.pas.earthlink.net>, Jeffrey Carter <spam@spam.com> writes:
> Larry Kilgallen wrote:
> 
>> A trusted system (at the proper evaluation level) will prevent the person
>> from _inadvertantly_ releasing information, such as by running a trojan
>> horse spreadsheet program that performed the modulation you describe.
> 
> Since users shouldn't be installing SW on such a system, I have to 
> assume such a channel is only used with both parties' knowledge.

Conceivably the system manager could be deceived by a counterfeit
distribution kit for a well-known product.  Or even the real kit
for a well-known product that has a secret back door to make it
behave in a trojan horse fashion.

It is easier (but not truly easy) to evaluate operating systems
than to evaluate all the applications that run on them.