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An Approach to Sensor Correlation
 by Keith Skinner & Alfonso Valdes.

We present an approach to intrusion detection (ID) sensor correlation that considers the problem in three phases: event aggregation, sensor coupling, and meta alert fusion. The approach is well suited to probabilistically based sensors such as EMERALD eBayes. We demonstrate the efficacy of the EMERALD alert thread mechanism, the sensor coupling in eBayes, and a prototype alert fusion capability towards achieving significant functionality in the field of ID sensor correlation.


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