SimSpace

SimSpace (operating via simspace.com) is a premier cyber simulation platform and AI Proving Grounds enterprise engineered to help security teams train human operators and rigorously test AI agents. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, and headquartered in Boston, Massachusetts, with significant operations in Orlando, Florida, the company fundamentally transforms how organizations validate cyber defense at scale. Moving far beyond traditional, basic training exercises, SimSpace natively unifies high-fidelity, military-grade cyber ranges, attack simulations, and agentic AI testing into a single, cohesive ecosystem. The platform empowers users to deploy synthetic, precision-labeled training data, ensure agentic solutions are trustworthy, and outsmart adversaries in a realistic digital replica of their production environment. Under the hood, their advanced capabilities replicate specific infrastructures and full adversary kill chains, enabling adaptive, AI-ready defenses that compress cyber readiness cycles from months to days. Trusted by allied governments, militaries, and critical infrastructure organizations worldwide, and recognized as a Leader in the Forrester Wave, SimSpace remains a definitive cornerstone of the modern cybersecurity landscape, converging human and AI cyber readiness.