RE: Vulnerability scanners

From: Paris Stone (parisat_private)
Date: Fri Mar 28 2003 - 08:10:06 PST

  • Next message: Rapaille Max: "RE: Vulnerability scanners"

    True, then your concern is that all the reports showing how vulnerable your systems
    are is 'At their mercy'.  Just how secure are their servers holding your data?  I
    believe they address that at their respective websites.
    
    Michael Welch (mdwelchat_private) wrote:
    >
    >About 4 months ago I performed a comparison of Qualys, Foundscan, and
    >Vigilante.  They all have there good and bad point's.  The nice things about
    >Qualys was that all you had to do is plug the appliance into your network
    >and you were ready to go.  My concern was that although your scan data was
    >transferred via https it was stored on another companies network.  Being a
    >security professional I have a hard time allowing my internal network
    >scanning results sitting on another's network.
    >
    >-----Original Message-----
    >From: Paris Stone [mailto:parisat_private]
    >Sent: Thursday, March 27, 2003 5:25 PM
    >To: Alex Russell; Jeff Williams @ Aspect; Dan Lynch;
    >pen-testat_private
    >Subject: Re: Vulnerability scanners
    >
    >
    >The Qualys box is an appliance that is configured once.  It connects out
    >your
    >firewall using SSL (TCP 443) to hit Qualys's web/scanner server.  It then
    >retrieves
    >the information(database of exloits, etc...) and runs them against your
    >internal
    >network.  It then uploads the info to their database servers using SSL.
    >Then all
    >of your information is available via the web with nice reporting, pretty
    >graphics,
    >etc...  It breaks it down into reports for techies and reports for
    >non-techies
    >(CxO's) daily, weekly, monthly.  The economies thing is simply that you have
    >a
    >yearly subscription based upon number of hosts scanned.  A fixed cost,
    >24x7x365
    >tool that doesn't have HR or benefit issues and doesn't get kids sick and
    >have to
    >take days off.  It IS easy to setup and administration is easy for those who
    >can
    >RTFM.
    >
    >Alex Russell (alexat_private) wrote:
    >>
    >>-----BEGIN PGP SIGNED MESSAGE-----
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    >>
    >>On Thursday 27 March 2003 12:58 pm, Jeff Williams @ Aspect wrote:
    >>> Let's assume that you're talking about 256 IPs (based on Qualys'
    >>> published pricing), and you want to scan weekly.  That's at least a day a
    >>> week of effort for someone (probably more to generate a very nice report
    >>> and summaries).  The cost of a full-time sysadmin (including salary,
    >>> benefits, office, etc...) probably costs well north of $100K.  You'd have
    >>> to include some equipment costs in there.  So I doubt you could do it
    >>> much cheaper. I think vulnerability scanning is a reasonable thing to
    >>> outsource for companies that are not in the security or networking field
    >>> already.
    >>
    >>This sounds like a false economy to me.
    >>
    >>First: how does the Qualis box remove the need for a sysadmin? It's just
    >one
    >>more appliance to manage, and something your existing admin should be able
    >>to do anyway. And if you already didn't have an admin, you'd need one now
    >>that you're thinking in terms of security. No extra cost here (aside from
    >>incremental admin time).
    >>
    >>Secondly: if you've got a trained monkey doing your report generation, then
    >>you're right about the costs. If, however, you have a developer automate
    >>most of that, then you can add more nodes to be scanned at much lower
    >>incremental cost (change a config file). Additionally, using public
    >>signature sets may have downsides, but using Open Source tools is good both
    >>for your own internal flexiblity and for the world at large (checks aren't
    >>quite right? set that developer to work writing and contributing back
    >>better ones!).
    >>
    >>All in all, your initial costs to do it in house with smart people and Open
    >>Source tools might be higher, but your incremental costs do not grow at
    >>nearly the same rate. OTOH, if you don't have any admins or developers,
    >>then Qualys might look like a very nice option.
    >>
    >>HTH
    >>
    >>- --
    >>Alex Russell
    >>alexat_private
    >>alexat_private
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    >>=kMak
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    >>
    >>
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    >>
    >>
    >
    >--
    >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    >Paris Stone
    >CISSP, CCNP, CNE/CNI, MCSE/MCT,
    >Master CIW Administrator, CIW Security Analyst, NSA
    >A+, Network+, iNet+
    >http://www.ciscoinstructor.net/
    >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    >"The rich man is not the one with the most, but the one who needs the least"
    >
    >
    >
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    >SurfControl E-mail Filter puts the brakes on spam & viruses
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    >
    >
    >
    >
    >
    >
    
    --
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Paris Stone
    CISSP, CCNP, CNE/CNI, MCSE/MCT,
    Master CIW Administrator, CIW Security Analyst, NSA
    A+, Network+, iNet+
    http://www.ciscoinstructor.net/
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    "The rich man is not the one with the most, but the one who needs the least"
    
    
    
    top spam and e-mail risk at the gateway.
    SurfControl E-mail Filter puts the brakes on spam & viruses
    and gives you the reports to prove it. See exactly how much
    junk never even makes it in the door. Free 30-day trial:
    http://www.surfcontrol.com/go/zsfptl1
    



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