Re: Managed Security Metrics

["R. DuFresne" <dufresne () sysinfo com>]

On Mon, 5 Mar 2001, Mike Smith wrote:

[SNIP]

> I wouldn't think there'd be any point to counting blocked attacks (as a
> service metric).  I certainly want to know how many attacks got through, but
> is that a metric for which I can usefully set a target (e.g., no more than 0
> successful attacks per month)?

I count what's blocked, if only to give a real time idea of what kinda of
BS packets are currently flying on the wire these days.  And to grab up
some good ole 'job security' <see what we are already preventing> BS for
the mgt folks.  This is the only valid reason I can come up with for
putting any IDS outside the FW.  Else, it's best place is behind the rest
of the perimiter devices and it sits there to warn if something passes
those devices.  If everything is done properly, that IDS box is silent,
and we hardly know it's even there, cept when we trip on it's cables
playoing with other devices.

Thanks,

Ron DuFresne
-- 
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