In 2007, Erik Tews, Andrei Pychkine, and Ralf-Philipp Weinmann were able to extend Klein's 2005 attack and optimize it for usage against WEP.
2007. aastal arendasid Erik Tews, Andrei Pychkine ja Ralf-Philipp Weinmann edasi Kleini 2005. aasta rünnakut ning optimeerisid seda WEPi vastu kasutamiseks.