security products. The company's products include Snort, an open source intrusion prevention technology that is incorporated into the intrusion prevention system software component of the Sourcefire 3D System (Discover, Determine, Defend). The Sourcefire 3D System comprises multiple Sourcefire hardware and software product offerings, which provide an intelligent network defense that unifies intrusion prevention system, network behavior analysis, network access control, and vulnerability assessment solutions under a common management framework. Sourcefire also offers ClamAV, an open source gateway anti-virus and anti-malware project. In addition, the company offers technical support and professional services, including network security deployment, customer support, and education and certification services. Sourcefire markets and sells its appliances, software, and services through its direct sales organization and indirectly through the resellers, distributors, and original equipment manufacturers.

The company was founded in 2001 and is headquartered in Columbia, Maryland.