Re: security patch

[Chris Wright]

* Zan Lynx (zlynx@xxxxxxx) wrote:
> An interesting thing that I don't think has been done before is to
> create a map linking stack call chains to syscalls.  If the call stack
> doesn't match then it isn't a valid call.

There's been a fair amount of research in anomaly detection.  It's not
as effective as you might hope.  Can be slow, and since it's typically
based on statistics, needs to be properly trained (can be difficult) and
may be ineffective if you stay below anomaly threshold.

thanks,
-chris
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