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Sourcefire to Share Best Practices for Defending against Malware and Advanced Persistent Threats at 2011 GFIRST Conference

GFIRST, the Government Forum of Incident Response and Security Teams, is a group of technical and tactical practitioners from incident and security response teams responsible for securing information technology systems and providing private sector support. In his presentation, Friedrichs will discuss how GFIRST members can leverage technologies and techniques like cloud computing, collective intelligence, data mining and machine learning to combat the latest malware threats. Esler's session will focus on identifying and classifying specific indicators of an advanced persistent threat and the benefits of an open framework, such as Sourcefire's Razorback framework, to defend against new attacks.

In his role at Sourcefire, Friedrichs provides direction for the company's cloud-based technology strategy and executes Sourcefire's product development roadmap for the cloud platform. He has more than 15 years of expertise in creating innovative security technologies and has worked closely with numerous government and commercial organizations to help address their cybersecurity requirements. Friedrichs joined Sourcefire in January 2011 as part of the acquisition of Immunet, where he was founder and CEO. Immunet, a leading provider of advanced cloud-based anti-malware technologies, serves over 1.7 million users in 192 countries. Prior to Immunet, Friedrichs held roles with Symantec, McAfee, SecurityFocus and Secure Networks.

Esler manages the day-to-day aspects of the Snort, ClamAV, Razorback and Daemonlogger^TM projects, and is also a Senior Research Engineer with Sourcefire's world-renowned Vulnerability Research Team^TM (VRT). Esler joined Sourcefire in 2005 after eight years employed by the Department of Defense. He has worked with agencies throughout the federal government, including defense and intelligence agencies, and with numerous Fortune 100 companies. Esler is also an Incident Handler for SANS at the Internet Storm Center, the largest free threat analysis cell in the world.

About Sourcefire

Sourcefire, Inc. (Nasdaq:FIRE), is a world leader in intelligent cybersecurity solutions. Sourcefire is transforming the way Global 2000 organizations and government agencies manage and minimize network security risks. Sourcefire's IPS, RNA (Real-time Network Awareness) and Real-time Adaptive Security solutions equip customers with an efficient and effective layered security defense - protecting network assets before, during and after an attack. Through the years, Sourcefire has been consistently recognized for its innovation and industry leadership by customers, media and industry analysts alike - with more than 50 awards and accolades. Today, the name Sourcefire has grown synonymous with innovation and network security intelligence. For more information about Sourcefire, please visit http://www.sourcefire.com.

Sourcefire, the Sourcefire logo, Snort, the Snort and Pig logo, ClamAV, Immunet and certain other trademarks and logos are trademarks or registered trademarks of Sourcefire, Inc. in the United States and other countries. Other company, product and service names may be trademarks or service marks of others.

Media Contact:
Welz & Weisel Communications
Tony Welz, 703-877-8101
tony@w2comm.com
or
Investor Contact:
ICR, Inc
Staci Mortenson, 203-682-8273
Staci.mortenson@icrinc.com