RE: Intrusion Risk Assessment

["Rob Shein" <shoten () starpower net>]

The problem with this is, define "damage."  IDS systems are not aware of
the nature of what they defend.  An IIS exploit might be utterly useless
against an apache web server, but the IDS is not intrinically aware of
which servers are apache and which are IIS.  Add to that the fact that
such severity levels as "minor damage" or "minimal access to recover,"
are dependent upon the information stored on a machine (which no current
IDS could ever be cognizant of) as well as the role of that machine.

> -----Original Message-----
> From: Robert_Huber () bankone com [mailto:Robert_Huber () bankone com] 
> Sent: Monday, January 06, 2003 12:54 PM
> To: focus-ids () securityfocus com
> Subject: Intrusion Risk Assessment
>
>
> Anyone know of any IDS risk assessment matrixes out there?  
> I'm looking for something like the following:
>
> Rating                                Severity
> 1  No Damage                  a.      Not possible to exploit (or)
>                               b.      No damage (or)
>                               c.      Hoax
>                                
> 2 Harassment                  a.      Possible damage, 
> unconfirmed (or)
>                               b.      Temporarily shuts down 
> services and/or temporarily prevents access to information
>
> 3 Minor Damage                        a.      Short-term impact (or)
>                               b.      Exploit allows access 
> to view files (or)
>                               c.      Minimal effort required 
> to recover
>
> 4 Moderate Damage             a.      The exploit is easy to 
> perform (or)
>                               b.      Important systems can 
> be effected with administrative compromise (or)
>                               c.      Exploit allows full 
> access to files (or)
>                               d.      Long-term effects, 
> significant effort may be required to recover
>
> 5 Heavy Damage                a.      The exploit is easy to 
> perform (and)
>                               b.      An exploit will cause 
> severe damage to multiple computers (and/or)
>                               c.      Requires reinstallation 
> or recovery from backup
>
>
> Robert Huber
> Bank One Information Security
> Phone: 302-282-2234
> Pager: 888-646-3502
>
>
>
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