VirnetX Holding Corporation, through its subsidiary VirnetX, Inc., operates as an Internet security software and technology company in the United States. It offers VirnetX One, a security-as-a-service platform to protect applications, services, and infrastructure; VirnetX Matrix, which protects internet-enabled enterprise applications, and connected devices, as well as control systems, such as file servers, data backup systems, and VPN or firewall environments. The company also provides VirnetX War Room for secure collaboration and visualization capabilities designed to support communications. It serves the U.S. Department of Defense, federal government, and commercial customers requiring real-time encrypted communications and network security. The company was founded in 2005 and is headquartered in Zephyr Cove, Nevada.