# Adversarial Adaptation **Entity class:** Adversarial-systems concept ## Definition **Adversarial adaptation** is the process by which an opponent changes tactics, tools, identities, timing, communications, and attack paths in response to defensive observation and control. The defender's model therefore changes the environment the adversary is learning to exploit. ## Relevance to this collection It connects [[wiki/Red Teaming|Red Teaming]], [[wiki/Concept Drift|Concept Drift]], [[wiki/Predictive Defense|Predictive Defense]], and [[wiki/Counterterrorism-Cybersecurity Convergence|Counterterrorism–Cybersecurity Convergence]]. ## Relationships - **master collection:** [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]]. - **convergence:** [[wiki/Counterterrorism-Cybersecurity Convergence|Counterterrorism–Cybersecurity Convergence]]. ## Sources / Provenance - [U.S. Department of Defense, *2023 Cyber Strategy Summary*, September 12, 2023](https://media.defense.gov/2023/Sep/12/2003299076/-1/-1/1/2023_DOD_CYBER_STRATEGY_SUMMARY.PDF). **As of:** 2026-09-23