Security Onion Solutions

Security Onion Solutions, LLC is the creator and maintainer of Security Onion, a free and open platform used for threat hunting, network security monitoring, and log management. The platform integrates open-source tools including Suricata, Zeek, and the Elastic Stack to provide network and log-based visibility for security teams. The company was founded by Doug Burks, who began development of Security Onion in 2008 as a Linux distribution for intrusion detection, network security monitoring, and log management. Security Onion Solutions, LLC was later established in 2014 to support the project, followed by an appliance offering in 2018, Security Onion 2 in 2020, and Security Onion Pro in 2024. The company has also introduced Onion AI, an assistant that provides alert analysis, detection tuning, and other capabilities, with local model support available. Security Onion is deployed across a range of industry verticals, including federal, state, and municipal government, the Department of Defense, Department of Energy, defense industry, National Guard, finance, universities, utilities, entertainment, technology, medical, manufacturing, and legal sectors. The software is reported to be installed in numerous countries worldwide, including the United States, Germany, Canada, United Kingdom, France, Netherlands, China, Poland, Italy, and Australia. The company offers hardware appliances, professional services, and support offerings built around the open-source Security Onion platform, in addition to the free and open-source software itself. Revenue from paid products and services supports continued development of the open-source project.