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Is IDS/IPS worthless? Feb 20 2004 04:31PM
Andrew Plato (aplato anitian com) (12 replies)
Re: Is IDS/IPS worthless? Feb 23 2004 06:35PM
SecurIT Informatique Inc. (securit iquebec com) (1 replies)
RE: Is IDS/IPS worthless? Feb 23 2004 10:29PM
Martin (mleroux lincsat com)
RE: Is IDS/IPS worthless? Feb 23 2004 05:38PM
Wolfpaw - Dale Corse (admin-lists wolfpaw net)
Re: Is IDS/IPS worthless? Feb 23 2004 02:35PM
Pablo Scherer (pablo_scherer yahoo com)
RE: Is IDS/IPS worthless? Feb 23 2004 11:02AM
Oscar Kooijman (oscar kooijman chello nl)
Re: Is IDS/IPS worthless? Feb 21 2004 11:53PM
Olaf Gellert (og pre-secure de) (2 replies)
Re: Is IDS/IPS worthless? Feb 23 2004 11:24PM
Mike Hoskins (mike adept org)
Re: Is IDS/IPS worthless? Feb 23 2004 08:09PM
SecurIT Informatique Inc. (securit iquebec com) (2 replies)
Re: Is IDS/IPS worthless? Feb 24 2004 04:35PM
Xiaoyong Wu (xwu anr mcnc org) (1 replies)
Re: Is IDS/IPS worthless? Feb 25 2004 03:42AM
Michael Stone (mstone mathom us)
Re: Is IDS/IPS worthless? Feb 23 2004 10:48PM
Olaf Gellert (og pre-secure de) (1 replies)
Re: Is IDS/IPS worthless? Feb 24 2004 03:19AM
SecurIT Informatique Inc. (securit iquebec com)
Re: Is IDS/IPS worthless? Feb 21 2004 09:04PM
Andy Cuff (lists securitywizardry com) (1 replies)
Re: Is IDS/IPS worthless? Feb 23 2004 11:12PM
Mike Hoskins (mike adept org)
Re: Is IDS/IPS worthless? Feb 21 2004 03:40PM
Michael Stone (mstone mathom us)
RE: Is IDS/IPS worthless? Feb 21 2004 03:13PM
Omar Herrera (oherrera prodigy net mx)
RE: Is IDS/IPS worthless? Feb 21 2004 03:13PM
Brian Taylor (drak3 attbi com) (1 replies)
RE: Is IDS/IPS worthless? Feb 24 2004 02:06AM
Fergus Brooks (fergusb evolve-online com) (1 replies)
RE: Is IDS/IPS worthless? Feb 24 2004 01:03PM
Duston Sickler (dustons charter net)
Re: Is IDS/IPS worthless? Feb 21 2004 02:27PM
Konrad Rieck (kr roqe org)
Re: Is IDS/IPS worthless? Feb 21 2004 01:30AM
Josh Tolley (josh raintreeinc com)
Re: Is IDS/IPS worthless? Feb 21 2004 12:05AM
Mike Lyman (mlyman-security comcast net) (2 replies)
Re: Is IDS/IPS worthless? Feb 26 2004 09:11AM
Stefano Zanero (stefano zanero ieee org) (1 replies)
Mike Lyman wrote:

> On Fri, 2004-02-20 at 10:31, Andrew Plato wrote:
>
>>So this speaker then challenged me to come up with verifiable metrics. I
>>replied that he would have to define what metrics he wants? What does he
>>consider a "viable metric" for performance. He said "did they sell more
>>products, make more money?" I replied "why is that the only metric that
>
> Standard security ROI question when security doesn't have an ROI unless
> you're selling security. Do locks on the doors help you sell more
> product (unless you sell locks) or sprinkler heads in the ceilings help
> you make more money?

Right. Security investment can be managed and evaluated with the same
approach as business insurances. Does an insurance produce ROI ? No, it
doesn't, but it lowers the risk to that ROI.

Would you prefer a return of 500$ with a risk of, say, 10%, or a return
of 5000$ with a 90% risk of becoming 0 ? It probably depends on your
investment and your conditions.

These are the questions that managers ask themselves when evaluating,
for instance, wether they can afford insurance against theft, or they
are willing to throw the money to phisical security, or both, or if they
are more willing to cover the eventual cost of theft itself instead.

Whenever anyone talks about ROI in security investment, you should raise
an eyebrow (Gartner reports, anyone ?).

--
Cordialmente,
Stefano Zanero

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[ reply ]
Re: Is IDS/IPS worthless? Mar 02 2004 11:21PM
George Capehart (gwc acm org)
RE: Is IDS/IPS worthless? Feb 24 2004 01:43AM
Fergus Brooks (fergusb evolve-online com)







 

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