. . . . . "223.1"^^ . "Sourcefire"@en . . . . . "2001Z"^^ . . "Sourcefire, Inc develops network security hardware and software. The company's FirePOWER network security appliances are based on Snort, an open-source intrusion detection system (IDS). Sourcefire was acquired by Cisco for $2.7 billion in July 2013."@en . "Acquired"@en . "560"^^ .