The military's casualty figures say The official figures say Israel Defense Forces spokesman Captain Elie Isaacson says the military used overt and covert intelligence sources to gather its casualty statistics.

VOA: standard.2009.09.09

Reva Bhalla,a Middle East analyst with the private intelligence firm Stratfor, says the Iranian government is angry over U.S.and British covert activity in Iran.

VOA: standard.2009.07.02

Early in the decade, Coward undertook a number of covert intelligence-gathering missions for a war that he was sure was coming.

ECONOMIST: Collected letters

There's a kind of Ponzi scheme at work, where people like to believe that they're acting from some sort of covert intelligence.

NPR: Toback, Baldwin Eye Cannes Movie-Making Underbelly

He gave the example of a human covert intelligence operation being at risk as being a good proportional reason to keep it secret.

BBC: 'Time to review anti-terror laws'