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Re: Why the IPS product designers concentrate on server side protection? why they are missing client protection
From: Nelson Brito <nbrito () sekure org>
Date: Tue, 1 Jun 2010 10:23:31 -0300

Comments are inline!

Nelson Brito
Security Researcher
http://fnstenv.blogspot.com/

Please, help me to develop the ENG® SQL Fingerprint™ downloading it  
from Google Code (http://code.google.com/p/mssqlfp/) or from  
Sourceforge (https://sourceforge.net/projects/mssqlfp/).

Sent on an  iPhone wireless device. Please, forgive any potential  
misspellings!

On Jun 1, 2010, at 9:52 AM, "Cor Rosielle" <cor () outpost24 com> wrote:

Nelson,

You're missing one point: Host IPS MUST be deployed with any Network
Security (Firewalls os NIPSs).
Please be aware this is a risk decision and not a fact. I don't use  
an host IPS and no anti Virus either. Still I'm sure my laptop is  
perfectly safe. This is because I do critical thinking about  
security measures and don't copy behavior of others (who often don't  
think for themselves and just copies other peoples behavior). Please  
note I'm not saying you're not thinking. If you did some critical  
thinking and an host IPS is a good solution for you, then that's OK>  
It just doesn't mean it is a good solution for everybody else and  
everybody MUST deploy an host IPS.

That's so 1990! NIPS and/or Firewall just protect you if you're inside  
the "borders"... But, come on. Who doesn't have a laptop nowadays? So,  
multiple protection layers is better than none, anyways.

You have choices when adopting a security posture or, if you prefer,  
risk posture. I believe that it's quite difficult and almost  
impossible you stay updated with all the threads, due to exponential  
growth of them.


No security solution/technology is the miracle protection alone,
That's true.

so that's the reason everybody is talking about defense in depth.
Defense in depth is often used for another line of a similar defense  
mechanism as the previous already was. Different layers of defense  
works best if the defense mechanism differ. So if you're using anti  
virus software (which gives you an authentication control and an  
alarm control according to the OSSTMM), then an host IDS is not the  
best additional security measure (because this also gives you an  
authentication and an alarm control).

Woowoo.. I cannot agree with you, because AV has nothing to do  
protecting end-point against network attacks. AV will alert and  
protect only when the thread already reached your end-point. Besides,  
there are other layers, such as: buffer overflow protection inside  
HIPS. Look that I am not talking abous IDS. 8)

This would also be a risk decision, but based on facts and the rules  
defined in the OSSTMM and not based on some marketing material. You  
should give it a try.

It always is a risk decision, and I not basing MHO on any "standard",  
that's based on my background... And, AFAIK, nodoby can expect that  
users and/or server systems will be able to apply all or any update in  
a huge environment.


Regards,
Cor Rosielle

w: www.lab106.com


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