Tenable Holdings Inc. is a cybersecurity company that provides exposure management solutions designed to identify, measure, and close security gaps across organizations' attack surfaces. Founded in 2002 and headquartered in Columbia, Maryland, the company pioneered vulnerability management through its widely deployed Nessus software and has evolved into a comprehensive exposure management platform. Tenable One, the company's flagship unified platform, delivers visibility, insight, and action across traditional IT infrastructure, cloud environments, operational technology systems, and modern attack surfaces. The platform incorporates multiple specialized solutions including Tenable Vulnerability Management, Cloud Security, Identity Exposure, Attack Surface Management, and OT Security, which can be deployed individually or as integrated modules. Tenable serves approximately 40,000 customers globally, including 65% of the Fortune 500, helping organizations understand and reduce cyber risk through AI-powered analytics and prioritization capabilities. The company operates across the Americas, Europe, the Middle East, Africa, and Asia Pacific regions, with a significant portion of its customer base in the United States.