AI changed work. AI expanded the threats.
Humans, data, and AI are interconnected, and so are the threats targeting them. Mimecast protects all of it.
2025 Gartner Email Security MQ Leader
Email security is where we started. It's still where we lead, backed by decades of threat intelligence and trusted by 42,000+ organizations.
Collect, search, and govern AI systems
Your employees are already using AI. Gain visibility into where the risk hides.
Unified Risk Reduction
Secure Humans, AI and Data all on one platform
2025 Gartner Email Security MQ Leader
Discover why Mimecast was named a leader
AI Governance
Secure AI tools with Mimecast Governance & Compliance Insights
Risk moves. Across your humans, data and AI tools.
People are vital to every organization but also its greatest source of risk, with access to financial data, source code, and intellectual property.
Recognized by Analysts. Valued by Customers.
Your One Trusted Platform: 1 of only 3 vendors worldwide to achieve leader status in both Gartner® Email Security and DCGAS Magic Quadrants™
Email Threat Protection
A Leader in the 2025 Gartner® Magic Quadrant™ for Email Security, recognized for both Completeness of vision and Ability to Execute.
Human Risk Management
A Strong Performer in the Forrester Human Risk Management Solutions Wave, demonstrating undeniable momentum for the Mimecast Human Risk Management Platform.
Data Loss Prevention
Recognized by Gartner® as a Representative Vendor helping security and risk leaders align their DLP strategies.
Digital Communications Governance
A Leader in the Gartner® Magic Quadrant™ in the Gartner® Magic Quadrant™ for DCGAS, recognized for both Completeness of Vision and Ability to Execute.
Trusted by over 42k customers
Twenty years protecting work, through every evolution of the threat landscape.
Integrate and optimize with 300+ integrations
Risk doesn't live in one tool. Neither does Mimecast. With 300+ integrations, we share threat intelligence, automate response, and close the gaps across your stack.
Ready to get started?
See how Mimecast protects your people, AI, and data, in one unified platform.