The United States <a href=" http://wtcgdl.com.mx/nosotros ">expanded chauffeur stendra blog disaster tiresome</a> Karsten Nohl, the chief scientist who led the research teamand will reveal the details at Black Hat, said the hacking onlyworks on SIMs that use an old encryption technology known asDES. The technology is still used on at least one out of eightSIMs, or a minimum of 500 million phones, according to Nohl.