Method, computer program element and system for processing alarms triggered by a monitoring system
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United States of America Patent
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Issued Date -
May 29, 2003
app pub date -
Oct 31, 2002
filing date -
Nov 29, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system is proposed that allow to process alarms, that have been triggered by a monitoring system, by means of a model representing the normal alarm behavior of the monitoring system. The number of alarms, that have been triggered, and the number of alarms, that have been filtered by means of the model, are counted. Then the ratio between the number of alarms, that have been filtered, and the number of alarms, that have been triggered, is calculated; and the update of the model is started whenever the ratio has reached a first or a second threshold value. Thus in order to efficiently achieve an optimal over-all performance, an update of the model is always performed, whenever a decline in the model's performance is detected. In a preferred embodiment, alarms that have been triggered, are grouped depending on source address information contained therein. Groups of alarms, that display diverse behavior, are flagged and forwarded for closer investigation in order to identify suspicious source systems.
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