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Dynamic intrusion detection for computer systems

  • US 6,928,549 B2
  • Filed: 07/09/2001
  • Issued: 08/09/2005
  • Est. Priority Date: 07/09/2001
  • Status: Expired due to Term
First Claim
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1. A method of operating an intrusion detection system, the method comprising the steps of:

  • taking a base action in response to detecting an intrusion;

    updating an action counter in response to taking the base action;

    comparing the value of the action counter to an action threshold;

    updating an action variable when the value of the action counter meets the action threshold;

    checking a validity condition for satisfaction dependent upon the action variable; and

    invoking a provision associated with the validity condition when the validity condition is satisfied.

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