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Focus on IDS
Re: Snort with an expert system Jun 25 2009 01:46PM Stefano Zanero (s zanero securenetwork it) (1 replies) Re: Snort with an expert system Jun 25 2009 02:04PM Tomas Olsson (tol sics se) (1 replies) Re: Snort with an expert system Jun 25 2009 06:08PM Joel Esler (eslerj gmail com) (1 replies) Re: Snort with an expert system Jun 25 2009 06:55PM Greg Shipley (gshipley neohapsis com) (3 replies) Re: Snort with an expert system Jun 25 2009 09:12PM Richard Bejtlich (taosecurity gmail com) (1 replies) Re: Snort with an expert system Jun 25 2009 08:29PM Martin Roesch (roesch sourcefire com) (1 replies) Re: Snort with an expert system Jun 26 2009 12:28AM Gary Halleen (ghalleen cisco com) (1 replies) Re: Snort with an expert system Jun 26 2009 08:14PM Stefano Zanero (s zanero securenetwork it) (2 replies) Re: Snort with an expert system Jun 29 2009 01:46AM Martin Roesch (roesch sourcefire com) (1 replies) |
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Privacy Statement |
>>> 2004. Sorry for the commercial but I think I've been pretty outspoken
>>> on this topic since 2000 or so...
>
>> Well, I guess I have to pipe in also, then. Cisco is doing the same.
>> Read
>> my book "Security Monitoring with CS-MARS" for more info.
>
> Sorry Marty, sorry Gary, I love both products, but they are not even
> close to realizing what Greg asked for :)
>
> Of course, they do reduce "false positives/noncontextual
> alerts/whatevers", and so they are to be commended, but knowing "if the
> attack has been successful" is actually way beyond anybody's capability,
> short of a crystal sphere
agree 100%. my impression of these tools is that they mostly reduce the
low-hanging "false positives", hopefully allowing the analyst to focus on
the stuff that can't be pruned by the "expert system". the cross device
correlation can provide nice supporting data (or totally irrelevant in
some cases) but there is usually one event that *might* be
significant...the potential, but probably not, "smoking gun" as it were;-)
Attacks are moving up the stack. They're also targeting clients more.
Both trends introduce a ton of challenges for getting relevant context. I
can't help but wonder if/how these tools will be able to get the context
they need to keep up with relevant threats.
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