SOURCEFIRE WINS HOT COMPANIES 2006 AWARD

Latest Distinction Reinforces Company’s Industry Leadership

Columbia, Md., February 2, 2006 – Sourcefire, Inc., the world leader in intrusion prevention, today announced that the company has been named a Hot Companies 2006 Award winner by Info Security Products Guide, world’s leading publication on security-related products and technologies. Sourcefire was named to this list of Hot Companies, based on the strength of its products, executive management, future revenue potential and market penetration. Over the past year, Sourcefire has earned more than 15 awards for its technology and business success.

“Hackers and attacks have become more sophisticated and blended in nature. The motive is purely criminal now. At times like these Sourcefire offers real-time defense solutions,” said Rick Justice, Chief Editor at Info Security Products Guide.

Selected from an industry analysis of more than 600 info security vendors around the world, Sourcefire earned this prestigious honor based on a stern selection criteria of 4Ps, namely Products, People, Performance and Potential behind the company’s growing success. The Hot Companies selection also helps raise the bar significantly for the industry to provide end-users with effective and deployable protective solutions against the next generation of highly sophisticated and blended attacks.

“Sourcefire has built an outstanding reputation by providing customers effective solutions that meet real-world network security needs,” said Wayne Jackson, CEO of Sourcefire. “As we enter 2006, this award provides further validation of Sourcefire’s commitment to developing truly innovative technologies for our customers.”

In December, Sourcefire was named to the Leaders Quadrant of Gartner’s Magic Quadrant for Network Intrusion Prevention System Appliances, 2H05 report and the top technology firm in Howard County, Maryland. The company and its solutions were also recently named finalists in seven categories for both the U.S. and European SC Awards.

Previously, Frost and Sullivan awarded the company its “Security Company of the Year,” and the company was named the Most Innovative Company at the 2005 RSA Conference. In June Sourcefire was identified as the fastest growing IPS vendor by leading analyst firm, Infonetics, and was named to the AlwaysOn 100 for the second consecutive year, recognizing the company’s market momentum and innovation. In October, Deloitte placed the company on its prestigious Rising Star list for the second consecutive year.

About Info Security Products Guide Awards
The Info Security Products Guide plays a vital role in keeping end-users informed of the choices they can make when it comes to protecting their digital resources. It is written expressly for those who are adamant on staying informed of security threats and the preventive measure they can take. You will discover a wealth of information in this guide including award winning case studies and deployment scenarios, people and technologies shaping info security and the best selling products. The Info Security Products Guide Awards recognize and honor excellence in all areas of information security. To learn more, visit www.infosecurityproductsguide.com and stay secured.

About Sourcefire
Sourcefire, Inc., the world leader in intrusion prevention, 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.

Sourcefire announced on October 6, 2005 that it signed a definitive agreement to be acquired by Check Point Software Technologies Ltd. (Nasdaq: CHKP), for a total consideration of approximately $225 million. The acquisition is subject to closing conditions including the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (“HSR”) and Exxon-Florio Act of 1988 and is expected to close by Q106 shortly after receiving regulatory approvals.

For more information about Sourcefire, please visit www.sourcefire.com.