About

Sophos Limited is a British security software and hardware company, founded on February 4, 1987, and headquartered in Abingdon, England. It specializes in developing and marketing managed security services and cybersecurity software and hardware, including managed detection and response, incident response, and endpoint security software. The company reported $1 billion in revenue in 2023. Sophos was formerly listed on the London Stock Exchange until its acquisition by Thoma Bravo, an American private equity firm, in March 2020, after which it became a private company.