Counterintelligence at Its Core:

What is the core purpose of counterintelligence? What does it involve? To answer these questions, Kevin Riehle explains in detail how counterintelligence analysis supports the mission of thwarting adversaries—how a foreign entity's intelligence cycle can be exploited, disrupted, or manipulated—in order to gain decision advantage.

Case studies of operations involving the Soviet Union and Russia also illustrate how counterintelligence-derived information can support broader US national security decisionmaking.