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Figure 1: Worm infection attempts at 1/100,000 sampling, aggregated daily
                     700

                                                                                CodeRed
                     600                                                        CodeRedII (and variants)
                                                                                Nimda (and variants)

                     500
infection attempts




                     400


                     300


                     200


                     100



                      09-18          09-28             10-08            10-18            10-28             11-07
                                                                date

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A Snapshot of Global Internet Worm Activity

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  • 4. Figure 1: Worm infection attempts at 1/100,000 sampling, aggregated daily 700 CodeRed 600 CodeRedII (and variants) Nimda (and variants) 500 infection attempts 400 300 200 100 09-18 09-28 10-08 10-18 10-28 11-07 date