Re: Definition of secure system

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Jonathan S. Shapiro <shap <at> eros-os.org> writes:

> 
> Not intended to be complete, just thought provoking, and I'm thinking
> single-user here:
> 
>   A secure operating system is one where, after I unintentionally
>   run an actively hostile program, I'm still in control of the machine.
> 
> The key word is "unintentional", because it implies that I shouldn't
> need to do anything special to ensure my safety.
> 
> shap
> 

Hello,

Why the restriction to single user?   By restating the definition as:

 A secure operating system is one where no process is allowed to deny a user 
 control of that user's resources.

the single-user case is made a subset of the general case. No?


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