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System and method for preventing network misuse

  • US 7,467,410 B2
  • Filed: 05/15/2007
  • Issued: 12/16/2008
  • Est. Priority Date: 06/04/2001
  • Status: Expired due to Fees
First Claim
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1. A computer-implemented method comprising:

  • identifying a plurality of data signatures relevant to computer security;

    designating an alert condition value for each data signature based on each data signature itself and contextual information associated with a respective data signature, each alert condition value comprising a ranked value that is unique to each combination of data signature and contextual information associated with a particular data signature, the contextual information comprising at least one of an application layer data field type used to encapsulate the data signature and an application layer protocol type used to transmit the data signature, the alert condition value indicating a security risk level relative to different data signatures and relative to other identical data signatures associated with different contextual information; and

    creating a table comprising the contextual information, the data signatures, and the alert condition values.

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