| Year | Number of 802.11 packets required to crack WEP |
| 2001 – 2004 | 5-10 million (FMS attack) |
| 2004 – 2007 | 500k (unique IVs) on average for 128-bit WEP (Korek attack) |
| 2007 – 2008 | 40k (ARP packets) using the PTW attack |
| 2008 – Present | 25k (replayed packets) using the ARP replay and/or chopchop replay, with combined PTW+Korek analysis |
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