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Message spoofing detection via validation of originating switch

  • US 20080026778A1
  • Filed: 07/25/2006
  • Published: 01/31/2008
  • Est. Priority Date: 07/25/2006
  • Status: Active Grant
First Claim
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1. In a communication network supporting an electronic messaging service, wherein an incoming message includes indicia of sender and is subject to possible message spoofing so as to appear to originate from a sender other than the true sender, a method of detecting instances of message spoofing comprising:

  • identifying a device address corresponding to an originating switch having processed the incoming message, defining a trusted address;

    identifying a device address corresponding to a switch serving the identified sender, defining an affiliated address; and

    determining whether the trusted address differs from the affiliated address, wherein message spoofing is detected if the trusted address differs from the affiliated address.

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