SOURCEFIRE RECOGNIZED FOR BEST INTRUSION SOLUTION BY SC MAGAZINE

SC Global Awards 2005 adds to the growing accolades for open source Snort^®, the most widely adopted intrusion detection and prevention technology in the industry

Columbia, MD, February 23, 2005 - Sourcefire, Inc., the world leader in real-time network defense, today announced that Snort®, created by Sourcefire founder, Martin Roesch, has been named Best Intrusion Solution at the annual SC Magazine Global Awards ceremony held on February 16 at the 2005 RSA Show (Nasdaq:RSAS) in San Francisco. Sourcefire, who manages the Snort project, topped Intrusion Prevention products from Enterasys, McAfee and TippingPoint in winning this top honor.

“Snort has become the de facto standard for intrusion detection and prevention because it delivers exactly the flexibility and precision that organizations need to protect their networks,” said Martin Roesch, Author of Snort and Founder/CTO of Sourcefire. “We are very proud of this recognition from SC Magazine and will continue the rapid pace of development that has put Snort on the leading edge of network security innovation.”

Snort has been downloaded more than 2 million times and has over 100,000 active users. The Snort rules language has also emerged as an industry standard with download rates tripling over the last year alone. Sourcefire’s award-winning Vulnerability Research Team works closely with the open source community to develop the official Snort Rules that are distributed on Snort.org. This partnership results in much faster response to new threats while maintaining unparalleled quality and performance.

“It has been exciting to see Snort evolve into the leading Intrusion Solution,” said Keith McCammon, Intrusion Engineer at ManTech and Founder of the Washington, DC Snort User Group. “The popularity of Snort and the continuous innovation that Sourcefire and the Snort user community provide are driving the entire industry to offer security solutions that more effectively meet the needs of today’s business.”

About Sourcefire’s 3D System
Sourcefire’s 3D Approach – Discover, Determine, Defend – to securing real networks in real-time provides proactive defense-in-depth through an integrated process of discovering risks, vulnerabilities and threats; determining their business impact ;and taking the appropriate action to defend the network. Sourcefire’s 3D System, including Sourcefire Intrusion Sensors and Agents, Sourcefire RNA Sensors and the Sourcefire Defense Center, provides companies with the most effective security possible.

The Sourcefire 3D System offers the most flexible and precise intrusion prevention and network discovery technologies worldwide.  Sourcefire Intrusion Sensors utilize the award-winning Snort™ rules-based detection engine, bringing the benefits of signature, protocol, and anomaly-based inspection methods to all network traffic at speeds up to 8 gigabits per second. In addition, Sourcefire RNA Sensors passively monitor a network to deliver highly detailed, real-time profiles of all network assets including their configuration, behavior, potential vulnerabilities and associated changes. By tightly integrating and correlating the threat information provided by Sourcefire Intrusion Sensors and Agents with the network intelligence provided by Sourcefire RNA Sensors, the Sourcefire Defense Center easily prioritizes the millions of security events to determine the most critical events to an organization’s business and takes the appropriate actions. These actions follow the ABCs of Defense – Alert, Block, Correct – all in real-time to deliver the most effective security.

About Sourcefire
Sourcefire, Inc., the world leader in real-time network defense solutions, is transforming the way organizations manage and minimize network security risks with its 3D Approach - Discover, Determine, Defend - to securing real networks in real-time. The company's ground-breaking network defense system unifies intrusion and vulnerability management technologies to provide customers with the most effective network security available. Founded in 2001 by the creator of Snort, Sourcefire is headquartered in Columbia, MD and has received numerous accolades including being named the Frost & Sullivan 2005 Network Security Infrastructure Protection Company of the Year. At work in leading Fortune 1000 and government agencies, the names Sourcefire and founder Martin Roesch have grown synonymous with innovation and intelligence in network security. For more information about Sourcefire, please visit www.sourcefire.com.