Sophos Group plc is a British security software and hardware company. Sophos develops products for communication endpoint, encryption, network security, email security, mobile security and unified threat management. Sophos is primarily focused on providing security software to 100- to 5,000-seat organizations. While not a primary focus, Sophos also protects home users, through free and paid antivirus solutions (Sophos Home/Home Premium) intended to demonstrate product functionality. It was listed on the London Stock Exchange until it was acquired by Thoma Bravo in February 2020.