AI is supercharging fraud with deepfakes, synthetic identities, and automated account takeover attempts that outpace legacy controls. This ebook explains how an identity-first fraud strategy—grounded in behavioral biometrics, liveness detection, and adaptive risk-based authentication—can stop AI-powered attacks while minimizing customer friction and preserving digital trust. Use it to help fraud, security, and digital leaders reframe identity as their primary control plane for combating AI threats and avoiding the revenue and reputational costs of over- or under-protecting users.