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Re: [PEN-TEST] Evaluating Auditors Abilities
From: "Kuss, Kenneth" <kussk () NATIONWIDE COM>
Date: Thu, 7 Sep 2000 13:36:40 -0400

It is very hard to assess the abilities of the outside auditors that will
be conducting the reviews.  You can look at resumes, engage reputable
firms, etc.  I believe that the most important part of engaging any outside
assistance to establish the process up front.  All aspects of the review
should be covered including; tools to be used, reporting deliverables and
the process to verify results of any findings before reporting to upper
management.  This gives the operators of the system, network, etc. the
ability to address any false positives identified.





Derrick <Derrick () ANEI COM>@SECURITYFOCUS.COM> on 09/07/2000 12:46:27 AM

From: Derrick <Derrick () ANEI COM>@SECURITYFOCUS.COM> on 09/07/2000 12:46 AM

Please respond to Penetration Testers <PEN-TEST () SECURITYFOCUS COM>

Sent by:  Penetration Testers <PEN-TEST () SECURITYFOCUS COM>

To:   PEN-TEST () SECURITYFOCUS COM
cc:
Subject:  Evaluating Auditors Abilities


Dear Pen-Testers,

     Recently I underwent something that had me thinking about Security
Auditing
companies and others (Big accounting firms that offer a side service of
auditing). Management decided that we needed to be audited by an outside
firm, which I am in full favor of. The problem came about in what an
un-named auditor did. Firewalls tend to cause false positives in some tests
and other anomalies that many auditors may not be aware of. So they
performed this audit which we did pick up and were aware of. What happened
next is what baffles me. The auditors did not understand the results that
nmap and other tools gave them. Near the end of the business day they
contact management proclaiming they have found numerous security issues and
even some backdoors in our network. After a long couple of days of testing
we found none of these issues were correct, and we then spent many hours
and
several meetings explaining that the firm hired didn't seem to know what
they were doing. Management made the default comment of "We are paying them
a lot so they must be right, fix these problems". After several days of
explaining why they results were wrong and verifying the network we came
out
to show that the auditors did in fact improperly interpret the results.
     The end result is management walks away wondering if they got ripped
off or
if we were just trying to cover problems. It also caused a lot of overtime
and extra work for us to explain and prove the network to management. So
the
end questions are these.

How can companies decide which auditors really do a decent job and are
worth
their value ?
Are there any certifications or Industry groups out there or on the horizon
that will evaluate and endorse auditors ?
What is the best approach from a Network Admin position to counter end
results delivered by auditors if they seem to be in error ?
Has anyone else been through this, and is destined to get worse before
getting better ?

Thanks for any thoughts or comments,
Derrick


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