Astaro develops a line of network security products, including the Astaro Security Gateway software and Astaro Security Gateway line of security appliances. Their products offer nine security applications in three categories - web security, email security, and network security - on a single management platform. Astaro's products are distributed globally through a network of 350 solutions partners who provide local support and services. Founded in 2000 in Karlsruhe, Germany, Astaro was later acquired by Sophos.