Re: Announcement: Alert Verification for Snort

From: Michael Stone (mstone_at_mathom.us)
Date: 10/24/03

  • Next message: PPowenski_at_oag.com: "RE: Announcement: Alert Verification for Snort"
    Date: Thu, 23 Oct 2003 21:28:05 -0400
    To: focus-ids@securityfocus.com
    
    

    On Thu, Oct 23, 2003 at 04:03:20PM -0700, Christopher Kruegel wrote:
    >From a theoretical point of view, I think that Marty is right and his
    >classification is correct. In fact, we had a discussion about whether
    >'alert verification' was the correct term to use. We then concluded
    >that most people don't care why they spent time looking at an alert
    >that doesn't matter to them and that they refer to such alerts in
    >general as false positives. That's why we used the terminology that we
    >did.

    What people are looking for in an IDS is the detection of an intrusion.
    With that in mind, a simple definition is, "if the system alerts on
    something that's not an intrusion it's a false positive". To base the
    definition on the behavior of signature matching engines would allow the
    limitations of the technology to obscure the primary objective of that
    technology.

    Mike Stone

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