Method, system and computer program product for detecting security threats in a computer network
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United States of America Patent
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Dec 13, 2011
Grant Date -
Apr 26, 2007
app pub date -
Oct 21, 2005
filing date -
Oct 21, 2005
priority date (Note) -
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Abstract
A method, system and computer program product detect attempts to send significant amounts of information out via HTTP tunnels to rogue Web servers from within an otherwise firewalled network. A related goal is to help detect spyware programs. Filters, based on the analysis of HTTP traffic over a training period, help detect anomalies in outbound HTTP traffic using metrics such as request regularity, bandwidth usage, inter-request delay time, and transaction size.
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