Mimecast, now privately held by Permira, is a Boston-based global leader specializing in SaaS email security and management as well as security awareness and data compliance. Mimecast Email Security offers advanced AI/ML-powered threat and content detection, multi-layered protection (including for Teams/SharePoint/OneDrive), robust integration with enterprise tools, and sophisticated features like browser isolation, CDR, and legal hold for compliance-driven organizations.