Human risk management and email security platform that protects organizations across email, collaboration, and data channels.
Mimecast is a cybersecurity company focused on email security and human risk management. Its platform protects organizations from email-borne threats, secures collaboration tools, and helps manage data protection and compliance.
Founded in 2003, Mimecast is headquartered in London, United Kingdom. The company was taken private by Permira in 2022. Ranjan Singh was appointed chief executive officer in June 2026, succeeding Marc van Zadelhoff.
Mimecast's portfolio includes Advanced Email Security, the Incydr data protection product, the Aware governance and compliance suite, Engage security awareness training, collaboration threat protection, DMARC Analyzer, email incident response, and email archiving.
MSPs and internal IT teams use Mimecast for Advanced Email Security, Collaboration Security, Incydr Data Protection.
Best for: organizations that need to block phishing, business email compromise, and spam beyond native email security.
Mimecast pricing depends on your organization's size, the modules you enable, and your contract term. Tools in this category are usually licensed by subscription, billed per mailbox, per month, and scale with the users, endpoints, or sites you cover.
Public rate cards are not always available, and many vendors set final pricing through a quote or their MSP and reseller channel. To get an accurate Mimecast price for your environment, request a quote from Mimecast directly, or ask a managed IT provider that supports Mimecast to bundle licensing, deployment, and management into one predictable monthly cost.
The most common alternatives to Mimecast are other Email Security & Awareness vendors. Compare Mimecast with:
Mimecast is a cybersecurity company focused on email security and human risk management. Its platform protects organizations from email threats, secures collaboration tools, and helps manage data protection and compliance.
Mimecast is headquartered in London, United Kingdom.
Mimecast offers Advanced Email Security, Incydr data protection, the Aware governance and compliance suite, Engage security awareness training, collaboration threat protection, DMARC Analyzer, email incident response, and email archiving.
Ranjan Singh was appointed chief executive officer of Mimecast in June 2026, succeeding Marc van Zadelhoff.