Wiktionary
n. (context espionage English) a resource by means of which intelligence is gathered
Usage examples of "intelligence asset".
He would have been a priceless intelligence asset, and they would never have thrown that away in an attempt like this.
Someone with Worf's unique contacts among the members of the Klingon High Council would be a valuable intelligence asset!
If word leaks that he's a Manticoran intelligence asset, it could do him a lot of damage.
Tsavong Lah knew that in commanding her to distract the Jedi in this manner, he was forfeiting his most valuable intelligence asset - and Viqi could think of only one reason for him to do that.
From his own years of observations, plus casual conversations with the enlisted men who serviced them, he'd acquired a familiarity with everything in the inventory of the United States Air Force, and would have been a useful intelligence asset had anyone bothered trying to recruit him.
He had asked for her as an intelligence asset, to help decode cultural assumptions.
Even though we had nearly every intelligence asset designed to deal with the USSR available for use, we were unable to detect the full extent of Iraq's WMD capability.
It could be an intelligence asset until hostilities began, but then it must be locked away.