National Security Intelligence is a veteran-owned cybersecurity defense contractor based in San Antonio, Texas. We build active cyber defense systems for government agencies, the Department of Defense, and DARPA-class national security missions.
Founded by a 101st Airborne veteran, NSI specializes in the problems where traditional defenses fail: adversaries that mutate payloads across generations, AI-driven attack detection with sub-100ms response, and post-quantum cryptographic lockout that neutralizes threats before a human can read an alert.
As a small business government contractor, we bring defense-grade cybersecurity to organizations of every size — from federal agencies and defense contractors to small businesses that need enterprise security without enterprise budgets. We ship code, not slideware.
Program managers, mission leads, and acquisition officers — we show, we don't tell.