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Detecting and protecting against worm traffic on a network

  • US 20050021740A1
  • Filed: 02/05/2004
  • Published: 01/27/2005
  • Est. Priority Date: 08/14/2001
  • Status: Active Grant
First Claim
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1. A method for processing communication traffic, comprising:

  • monitoring the communication traffic that is directed to a group of addresses on a network;

    determining respective baseline characteristics of the communication traffic that is directed to each of the addresses in the group;

    detecting a deviation from the respective baseline characteristics of the communication traffic directed to at least one of the addresses in the group, such that the deviation is indicative that at least some of the communication traffic may be of malicious origin; and

    responsively to detecting the deviation, filtering the communication traffic that is directed to all of the addresses in the group so as to remove at least some of the communication traffic that is of the malicious origin.

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