"Even active-duty CIA operatives are allowed to sell their expertise to the highest bidder, "a policy that gives financial firms and hedge funds access to the nation's top-level intelligence talent," writes Eamon Javers. Little is known about the CIA's moonlighting policy, or which corporations have hired current CIA operatives. According to Javers, "There is much about the policy that is unclear, including how many officers have availed themselves of it, how long it has been in place and what types of outside employment have been allowed." Regarding the CIA process for approving moonlighting, U.S. Rep. Anna Eshoo said "My sense is that it is a rubber stamp deal....No one’s really looking at it or keeping a close eye on it."
And this is a very interesting read: Spooky Business.