Mimecast appears across 11 articles to date.
Who is Mimecast?
Mimecast is a cybersecurity and resilience provider focused on email security, collaboration security, and continuity for enterprise and public-sector environments.
- Cloud-based email security, threat protection, and phishing defense services (email security).
- Integrated email continuity and archiving for business resilience, retention, and e-discovery (business continuity and data governance).
- Protection for collaboration and productivity platforms, including controls around shared content and communications (collaboration security).
- Security awareness training and human risk management services to address phishing and social engineering exposure (security awareness and training).
- API-centric integrations with common productivity, identity, and security platforms to support broader Security Operations (SecOps) workflows (security operations and orchestration).
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More About Mimecast
Mimecast provides cloud-based security and resilience services that are commonly deployed in organizations that use enterprise email and collaboration platforms. Its offerings are positioned to address threats such as phishing, malware, Business Email Compromise (BEC), and impersonation, while also supporting continuity and compliance requirements. Enterprises typically implement Mimecast as a security layer around existing email infrastructure, commonly in conjunction with cloud email providers, identity systems, and Security Information and Event Management (SIEM) tools.
Mimecast’s email security services (email security) are delivered from a cloud platform that inspects inbound, outbound, and internal email traffic. These services use techniques such as URL and attachment inspection, policy-based filtering, and authentication checks relying on standards like SPF, DKIM, and DMARC. Mimecast also applies policies related to Data Loss Prevention (DLP), impersonation protection, and spam filtering. The platform integrates with directory and identity services to align policies with organizational structures and user groups.
Beyond threat detection, Mimecast offers continuity and archiving capabilities (business continuity and data governance). Email continuity services aim to keep email available during outages or disruptions to primary mail systems by providing alternate access paths for users. Mimecast’s archiving services store email and related content in a centralized cloud archive designed for retention, legal hold, and e-discovery scenarios. These services are typically used by compliance, legal, and IT teams to meet regulatory and governance requirements.
Mimecast also addresses collaboration and file-sharing environments (collaboration security). It provides controls that scan and govern content shared via collaboration tools, aligning with the same threat protection and policy enforcement applied to email. Security awareness and training services (security awareness and training) are designed to help organizations educate users about phishing and social engineering, often through simulated attacks and structured learning modules.
From an architectural perspective, Mimecast is commonly integrated into broader security ecosystems via APIs and connectors (security operations and orchestration). SecOps teams can route alerts and telemetry into SIEM, Security Orchestration Automation Response (SOAR), and incident management platforms, while administrators manage policies centrally from Mimecast’s cloud console. In a directory or marketplace context, Mimecast fits into categories such as email security, collaboration security, business continuity, data archiving and governance, and security awareness training, with deployment patterns oriented around cloud-delivered services that System Integration Testing (SIT) in front of, alongside, or in integration with existing mail and collaboration platforms.
Our description of Mimecast. Updated December 2025.
