During Social Engineer Capture the Flag contest, one of the most prominent and popular annual events at DEF CON 21, a pool of 10 men and 10 women, from diverse backgrounds and experience levels, tested their social engineering abilities against 10 of the biggest global corporations, including Apple, Boeing, Exxon, General Dynamics and General Electric. Thecomplete results of the competition are in, and they don't bode well for businesses."