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Method for intrusion detection in a database system

DC
  • US 7,120,933 B2
  • Filed: 12/28/2001
  • Issued: 10/10/2006
  • Est. Priority Date: 11/23/2001
  • Status: Active Grant
First Claim
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1. A method for detecting intrusion in a database managed by an access control system, comprising:

  • defining at least one intrusion detection profile, each profile including a set of item access rates, one of which includes a definition of a number of rows that may be accessed in a predetermined period of time;

    associating each user with one of said defined profiles;

    receiving a database query from a user;

    determining that execution of said query causes said user to exceed an item access rate defined in the profile associated with said user; and

    notifying the access control system to alter user authorization, thereby preventing the result of the query from being transmitted to the user.

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