Counterintelligence Quotes

“Do not forget that a traitor within our ranks, known to us, can do more harm to the enemy than a loyal man can do good to us.”
― Isaac Asimov, Pebble in the Sky

“Anyone can deceive us .... for a time.
[KGB]”
― Tom Clancy, The Cardinal of the Kremlin

“From a counterintelligence perspective, social media also makes it more difficult for people to recognize, let alone believe, that they've been duped. In the context of the analog, pre-internet intelligence world, most people prefer to believe that they're not working with an intelligence officer [of foreign adversary] even if they have suspicions. Most would rather believe, for example, that they have a friendship with a professor at a foreign university.”
― Peter Strzok, Compromised: Counterintelligence and the Threat of Donald J. Trump

“A page-turning story with a sophisticated plot not to be missed.”
― Elizabeth Rindskopf-Parker, Transnational threats: Blending law enforcement and military strategies