|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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