This ex-con hacker just made over $100,000 in a single day helping companies plug up their cybersecurity

· *Tommy DeVoss did time in three federal penitentiaries for hacking, but last year he made $902,000 by helping companies find security vulnerabilities.  *
· A San Francisco company called HackerOne brings hackers and companies together on their website and for events where hackers earn money and companies get security...