October 2015 CIA Headquarter Virginia John Brennan gets a call from an unknown number.br The caller appears to be a child who tells John that he has hacked all the systems of the CIA.br This call would have been considered a prank call if it was made to a common man but John Brennan was the director of the world's most powerful intelligence agency CIA at that time.br Let alone calling him, even knowing his personal mobile number is a big deal. br This is the story of those two children who hacked all the systems of the CIA and made a super power like America dance to the tune of triple digits.br Who were those children and why and how did they accomplish this feat?br .br .br .br .br .br .br .