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Identifying and managing web risks

  • US 8,286,239 B1
  • Filed: 07/24/2008
  • Issued: 10/09/2012
  • Est. Priority Date: 07/24/2008
  • Status: Active Grant
First Claim
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1. A network security system, comprising:

  • a web risk service operating on a server comprising a processing node and external to network edges of at least one system, the web risk service configured to;

    receive a web request from a computer within the at least one system, the web request identifying at least one network address;

    determine a web risk index score for the at least one network address, the web risk index score based on a third party analysis, a passive analysis comprising an in-line analysis of the web request in real time, and an active analysis comprising a plurality of queries to the at least one network address with each query configured to solicit a different response in order to identify separate risk information;

    compare the determined web risk index score to at least one threshold value;

    handle the web request based on the comparison; and

    provide the determined web risk index score to an authority node such that the authority node shares the determined web risk index score with a plurality of additional processing nodes;

    wherein the web risk service operates at the processing node with all web requests from the computer sent over the Internet via a tunnel, a transparent proxy, a forward proxy, or redirection to the processing node.

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