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| Subject: | Re: IPS false negatives |
|---|---|
| Date: | Fri, 14 Apr 2006 11:21:26 +0200 |
Basgen, Brian wrote:
Is anyone aware of research that has been done to qualify/quantify the false negatives that commercial IPS's will pass when running on a default configuration?
You cannot meaningfully quantify "false negatives" of a misuse-based system (IPS or IDS), because that quantity depends on the type of attack mix you use for testing. On the other hand, you can quantify true positives to false positives ratio (signal2noise) on anomaly detection systems in a meaningful way. Stefano ------------------------------------------------------------------------ Test Your IDS Is your IDS deployed correctly? Find out quickly and easily by testing it with real-world attacks from CORE IMPACT. Go to http://www.securityfocus.com/sponsor/CoreSecurity_focus-ids_040708 to learn more. ------------------------------------------------------------------------
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