System and method for scanning a network
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United States of America Patent
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Jul 20, 2010
Grant Date -
Oct 13, 2005
app pub date -
Dec 21, 2004
filing date -
Apr 13, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods to passively scan a network are disclosed herein. The passive scanner sniffs a plurality of packets traveling across the network. The passive scanner analyzes information from the sniffed packets to build a topology of network devices and services that are active on the network. In addition, the passive scanner analyzes the information to detect vulnerabilities in network devices and services. Finally, the passive scanner prepares a report containing the detected vulnerabilities and the topology when it observes a minimum number of sessions. Because the passive scanner operates passively, it may operate continuously without burdening the network. Similarly, it also may obtain information regarding client-side and server side vulnerabilities.
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