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Computer virus protection

  • US 8,769,258 B2
  • Filed: 05/26/2011
  • Issued: 07/01/2014
  • Est. Priority Date: 06/22/2000
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • receiving, at a computing device, a message containing an attachment comprising an executable code;

    comparing, by the computing device, a type of the attachment to one or more lists of attachment types;

    if the type of the attachment is not in the one or more lists, converting, by the computing device, the executable code from an executable format to a non-executable format, such that the executable code is rendered inoperable, using an application-level process that retains semantic content of the message; and

    forwarding the attachment containing the non-executable format from the computing device to a target recipient of the message.

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