Stonesoft Corporation was a public company that developed and sold network security solutions based in Helsinki, Finland. It was publicly owned until 2013 when it was acquired by Intel's subsidiary McAfee.
Stonesoft conducted business globally, with a regional headquarters in Atlanta, Georgia, United States, and sales offices throughout Europe, the Middle East, and China.
In July 2013, McAfee, a part of Intel Security, completed a tender offer to acquire all Stonesoft products and technologies. Stonesoft became a part of the McAfee Network Security Business Unit. Stonesoft firewall products were renamed McAfee Next Generation Firewall. McAfee sold Stonesoft to Forcepoint in January 2016.