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Computer virus detection

  • US 6,886,099 B1
  • Filed: 09/12/2000
  • Issued: 04/26/2005
  • Est. Priority Date: 09/12/2000
  • Status: Expired due to Fees
First Claim
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1. A computer program product embodied on a computer readable medium for detecting an outbreak of a computer virus on a computer system, said computer program product comprising:

  • (i) measurement computer code operable to measure one or more measurement parameters indicative of non virus specific activity of said computer system over a respective measurement period;

    (ii) comparison computer code operable to compare said one or more measurement parameters with respective predetermined threshold levels, wherein one of said measurement parameters is e-mail throughput within said computer system, wherein each e-mail processed has an associated size value and e-mail throughput is measured in a form dependent upon a number of e-mails and a total of size values for said e-mails within a predetermined period; and

    (iii) signal generating computer code operable to generate a signal indicative of an outbreak of a computer virus if one or more of said one or more measurement parameters crosses a respective predetermined threshold level;

    wherein one of said measurement parameters is how many e-mail messages are sent having an identical message title.

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