In a memo to the CIA workforce this week, Brennan says the "Honor the Oath" campaign is intended to "reinforce our corporate culture of secrecy" through education and training. The Associated Press obtained the memo yesterday, marked unclassified and for official use only.
Brennan writes that the campaign stems from a review of CIA security launched last year, following what Brennan calls "several high-profile anonymous leaks and publications by former senior officers."
The CIA declined to comment.