Two computer hackers said they would publish detailed blueprints of techniques for attacking critical systems in the Toyota Prius and Ford Escape in a 100-page white paper, following several months of research they conducted with a grant from the U.S. government at the Def Con hacking convention in Las Vegas this week, according to Reuters News. Read about the codes to be released. The conference is scheduled Aug. 1 to 4 at the Rio Hotel & Casino in Las Vegas, Nev.