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.
Defend against sophisticated email and collaboration attacks
Protect critical data and accelerate response to insider threats
Proactively support regulatory and corporate standards
Identify human risk and drive behavior change
Discover, govern, and secure AI agents before they cause a data breach.
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.
Trusted by over 42k customers
Twenty years protecting work, through every evolution of the threat landscape.
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Fighting Cancer, Not Spam: Moffitt’s Mimecast Success
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Small Medium Business (SMB) Email & Collaboration Threat Protection
"Implementation went smoothly. We used a seven step process and didn’t experience any adverse affects in any of our systems. In fact, our user community didn’t even know the transition was taking place."
Doug Blankenship
Network Systems AnalystLyft Uses Incydr to “Take the Blinders Off” of High-Value Data Movement
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Enterprise Insider Risk Management & Data Protection
"The big thing we were trying to solve was that we had no idea where our data was going. We just had no visibility whatsoever."
Jae Ward
Security AnalystMimecast’s Email Security and Awareness Come up Clutch for the Boston Red Sox
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Email & Collaboration Threat Protection
"Most people think ‘Fenway Park’ or ‘the Green Monster’ when they think of the Red Sox. I think of technology, and securing the data that makes our club tick...And for that job, our ‘ace’ is Mimecast."
Daniel Mortimore
IT Support AnalystBanked Protects Source Code and Employee Trust with Incydr
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Small Medium Business (SMB) Insider Risk Management & Data Protection
"If people are going to trust our products with their own financial information, we need to make sure we don't have significant security events like source code leaking."
Jamal Issouquaein
IT Engineer
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.