Tenable Network Security is the world leader in Unified Security Monitoring. We provide agentless solutions for continuous monitoring of vulnerabilities, configurations, data leakage, log analysis and compromise detection.

Tenable is the sole sponsor of the Nessus vulnerability scanner which provides to the internet community a free, powerful, up-to-date, and easy to use remote security scanner. Nessus is currently rated among the top products of its type throughout the security industry and is endorsed by professional information security organizations such as the SANS Institute. We estimate that the Nessus scanner is used by more than 75,000 organizations world-wide.

Tenable Network Security, Inc. (Tenable) is a US-based Delaware C Corporation. Tenable’s corporate offices are located in Columbia, Maryland with additional offices in New England, California, Virginia, Pennsylvania, and Georgia. Tenable was founded in September of 2002 and is privately owned. Tenable has hundreds of Global 2000 customers in the US, Canada, Asia Pacific, and Europe.

The technology founders include the creator of the award-winning Dragon intrusion detection system, Ron Gula, and the creator of the award-winning “open-source” Nessus Security Scanner, Renaud Deraison.