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Mimecast

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Mimecast delivers unified cybersecurity protections for email, data, and user risk to thousands of organizations worldwide.

Overview

Mimecast provides cybersecurity solutions that safeguard work across email and collaboration by mapping the full attack chain across email, human behavior, endpoints, AI agents, and data. Built around four core capabilities—see everything, score and apply policy, block and contain, and close the loop—Mimecast delivers a unified view of risk and automated protection across every layer. Founded in 2003, Mimecast serves more than 42,000 organizations and 27 million users worldwide.

Mission statement

Mimecast protects the work of every person in the organization, across every channel, from every actor, human and AI.

What we offer

Advanced Email Security

Protects against advanced email and collaboration threats using AI technology.

www.mimecast.com/products/email-security/

Incydr Data Protection

Provides unmatched protection against insider threats and data exfiltration.

www.mimecast.com/products/incydr/

Aware Governance & Compliance Suite

Facilitate data management and compliance with streamlined insights and management tools.

www.mimecast.com/products/aware/

Engage Security Awareness

Transform employee behavior to enhance security awareness and reduce risk.

www.mimecast.com/products/mimecast-engage-awareness-training/

DMARC Analyzer

Protects your brand from domain spoofing and enhances email security.

www.mimecast.com/products/dmarc-analyzer/

Managed Threat Response

Receive 24x7 analyst support to quickly address user-reported threats.

www.mimecast.com/products/managed-threat-response/

Email Archive

Ensure email availability and compliance with seamless data archiving.

www.mimecast.com/products/email-archive/

Cloud Archive

Streamline eDiscovery and compliance while ensuring data integrity with Cloud Archive.

www.mimecast.com/products/email-archive/

Mimecast University

Service

Empower employees to develop skills and achieve faster time to value with Mimecast's training.

www.mimecast.com/customer-success/university/

Agentic AI Security

Enhance security by governing AI agents, reducing risks of data breaches.

www.mimecast.com/solutions/agentic-ai-security/

Data Governance, Compliance & Insights

Proactively supports regulatory and corporate standards with AI-driven data management tools.

www.mimecast.com/solutions/data-governance-and-compliance/

Market segments

Market size by segment

Growth potential (CAGR)

Email and collaboration security

5 Billion USD13% CAGR

Protection for email and collaboration channels against phishing, business email compromise, ransomware, and scams using layered detection and AI.

Enterprise information archiving and eDiscovery

9 Billion USD10.5% CAGR

Cloud-based archiving and search capabilities that preserve email and collaboration data to meet regulatory retention, legal discovery, and compliance requirements.

Data loss prevention and insider risk management

3.1 Billion USD18.1% CAGR

Capabilities to detect, prevent and investigate data exfiltration and insider threats across endpoints and collaboration services while enforcing governance and compliance controls.

AI governance and agent monitoring

2 Billion USD28% CAGR

Monitors autonomous AI agents and models for policy compliance, performance, and risk; provides enforcement, audit capabilities, and analytics to govern AI-driven actions.

Security awareness and workforce training

3 Billion USD13.5% CAGR

Training and learning resources to raise employee cyber awareness, deliver concise role-based courses, reinforce behavior with interactive exercises and support certification readiness and retraining programs.

More information about our offering

Advanced Email Security

AI-powered defense for email and collaboration environments, protecting organizations from sophisticated phishing, malware, and targeted attacks.

  • Stop Advanced Attacks
    Utilizes advanced machine learning to detect and block deceptive email threats in real time, reducing the risk of breaches.
  • Secure Mail Services
    Offers comprehensive security for services like Microsoft 365 and Google Workspace, ensuring all communication channels are protected.
  • Block Phishing Attempts
    Employs real-time analysis to detect phishing attempts and harmful emails before they reach the inbox.
  • Protect Collaboration Tools
    Safeguard vital collaboration channels against threats, ensuring uninterrupted productivity and security.
  • Identify Zero-Day Exploits
    Provides organizations with insights into advanced threats targeting their communication systems through detailed reporting and analytics.
  • Block Malware and Phishing
    Utilize advanced threat detection capabilities to prevent malicious activities in real-time, protecting sensitive information.

Incydr Data Protection

Adaptive data protection solution that addresses all forms of insider threats, ensuring visibility and security for sensitive information and user activity.

  • Identify Data Exfiltration Events
    Detect and monitor suspicious data movements to mitigate risks associated with insider threats.
  • Comprehensive Threat Protection
    Safeguard sensitive data by addressing all potential insider threats, ensuring organizational integrity.
  • Facilitate Rapid Incident Response
    Empower teams to respond swiftly to identified threats within days, not months.
  • Secure Collaborative Environments
    Integrate with tools like Microsoft Teams to maintain security and compliance during collaboration.

Aware Governance & Compliance Suite

Governance and compliance solution that simplifies data management with real-time insights to support regulatory and corporate standards.

  • Streamline Data Management
    Utilize real-time insights to enhance decision-making and meet compliance requirements effortlessly.
  • Monitor Compliance
    Ensure adherence to regulatory and corporate standards with active monitoring across platforms.
  • Centralize Risk Management
    Integrate various risk management tools within a unified platform to improve efficiency and effectiveness in governance.
  • Prevent Data Loss
    Safeguard sensitive data while enhancing compliance and governance protocols across collaboration platforms.
  • Accelerate Incident Response
    Enhance investigation processes with streamlined workflows and automated tools to reduce response times.

Engage Security Awareness

Security awareness training that uses human risk signals to reduce risk and drive behavior change.

  • Leverage Real-Time Insights
    Real-time insights allow organizations to adapt training based on specific human risks, ensuring relevant safety measures.
  • Drive Security Behavior Change
    Consistent interventions encourage safer practices, ultimately minimizing vulnerabilities within the organization.
  • Personalize Learning Experience
    Customizable modules that respond to the unique needs and behaviors of the workforce, maximizing learning retention.
  • Identify Weaknesses Proactively
    Proactive assessments enable organizations to address potential threats before they escalate.

DMARC Analyzer

DMARC analytics to protect your brand and reputation by enabling visibility and authentication of email domains.

  • Safeguard Your Brand
    Utilize DMARC analytics to monitor and secure your email domain, preventing misuse.
  • Enhance Email Authentication
    Gain insight into your DMARC implementation status and enforce policies to mitigate fraudulent emails.
  • Eliminate Spoofing Risks
    Effectively combat spoofing attempts that threaten your brand’s integrity, ensuring that only legitimate emails are delivered.
  • Boost Email Trust
    Enhance your sender reputation to ensure that your emails are trusted and delivered reliably.
  • Experience DMARC Analytics
    Test the capabilities of DMARC Analyzer risk-free to see how it can strengthen your email security.

Managed Threat Response

24x7 analyst-led threat remediation for user-reported emails, closing the loop from detection to response.

  • Ensure Immediate Attention
    Analysts work continuously to investigate and respond to reported threats, helping mitigate risks rapidly.
  • Mitigate Risks Effectively
    Analysts not only investigate threats but also take necessary actions to neutralize risks and secure the environment.
  • Enhance Security Awareness
    Engage users in the security process by allowing them to report suspicious emails, fostering a proactive security culture.

Email Archive

Email data preservation with cloud archive capabilities to ensure email availability, compliance, and eDiscovery.

  • Protect Critical Email Data
    Safeguard important emails and attachments against accidental deletion and ensure long-term access.
  • Simplify eDiscovery Process
    Streamline legal and compliance searches with efficient eDiscovery across archived emails.
  • Maintain Compliance Standards
    Support regulatory demands with secure and retrievable email data, helping you avoid penalties.
  • Efficient Email Retrieval
    Quickly find necessary emails within archived data, enhancing productivity and compliance.

Cloud Archive

Cloud-based archive focused on simplifying eDiscovery and regulatory compliance for email data.

  • Ensures Data Integrity
    Guarantees that data is never lost, providing peace of mind and security for critical information.
  • Streamlines eDiscovery Processes
    Dramatically reduces time and costs involved in eDiscovery searches by allowing easy access to archived data.
  • Enables Regulatory Compliance
    Facilitates adherence to regulatory standards by securely archiving data in the cloud.
  • Enhances Collaboration Security
    Ensures that all collaboration data is secure and compliant, extending protection beyond traditional email.

Mimecast University

Mimecast University provides on-demand training and product certifications to help users maximize value from Mimecast solutions.

  • Access Anytime
    Train at your pace with flexible, on-demand online courses tailored for your schedule.
  • Earn Certifications
    Enhance your professional profile with certifications that demonstrate expertise in using Mimecast solutions.
  • Tailored Content
    Access specialized training resources designed for specific roles, ensuring relevance and effectiveness.
  • Learn From Experts
    Gain insights and practical knowledge from industry experts to maximize the use of your Mimecast products.
  • Navigate Easily
    Experience a seamless learning environment with a user-friendly interface that simplifies access to training materials.

Agentic AI Security

Agentic AI Security helps discover, govern and secure AI agents to prevent data breaches before they occur.

  • Identify AI Agents
    Quickly locate AI agents that may pose a risk to your data security.
  • Implement Security Controls
    Ensure proper governance and security measures are in place for AI agents.
  • Monitor AI Actions
    Track the behavior of AI agents to identify potential security threats.
  • Enhance Security Ecosystem
    Create a cohesive security environment by connecting with other tools.
  • Get Instant Alerts
    Be informed of potential risks as they occur, allowing for swift response.

Data Governance, Compliance & Insights

Data Governance, Compliance & Insights helps identify and address non-compliance, data loss, and security threats while accelerating incident response times.

  • Speed Up Incident Response
    Quickly address security threats and compliance concerns, ensuring rapid recovery and minimal disruption to business operations.
  • Mitigate Data Loss Risks
    Proactive measures to safeguard sensitive information, reducing the likelihood of data breaches and unauthorized access.
  • Detect Non-compliance Issues
    Ensure adherence to regulatory standards and corporate policies, minimizing legal risks and promoting ethical practices.
  • Automate Data Management
    Utilizes artificial intelligence to enhance data governance, enabling efficient data retrieval and compliance tracking.
  • Gain Insights into Collaboration
    Monitor and safeguard data shared on platforms like Slack and Microsoft Teams, reducing risks associated with unmonitored communication.
  • Govern AI Systems Effectively
    Integrates AI governance into established compliance protocols, ensuring oversight of AI-driven interactions and data handling.

References

Methodology and sourcing behind the market figures shown above.

Email and collaboration security

No relevant market data found in the provided search results. Estimate based on internal market hierarchy: global cybersecurity market (~$150B–$200B range) with email/security and collaboration-security representing a small but material share (roughly 2–5% combined). Collaboration security is growing faster with SaaS/remote work adoption, so combined market approximated at ~$3–7.5B; midpoint used ($5.0B). CAGR aligned with broader cybersecurity and cloud-security growth (roughly 10–15%), selected 13% reflecting faster adoption of advanced AI-driven protections.

Enterprise information archiving and eDiscovery

No relevant market-size or CAGR data appeared in the provided search results. Estimate uses internal industry benchmarks: the eDiscovery market and enterprise information-archiving/email-archiving markets (when combined, including cloud archival of collaboration data) have historically been in the low‑to‑double‑digit billions USD range. Adjusting for ongoing cloud migration, SaaS collaboration growth, tightening regulatory/compliance needs, and continued litigation-driven spend yields an estimated total market of about $9.0B and a growth potential of ~10.5% CAGR.

Data loss prevention and insider risk management

Primary estimate uses IMARC Group's 2025 valuation (USD 3.1B) and projected CAGR (18.1%) as the conservative baseline. Comparable sources (Precedence Research, The Business Research Company) report 2025 values between about USD 3.1B–3.7B and higher CAGRs (≈21–28%), indicating growth potential in the high teens to mid-twenties percent range.

AI governance and agent monitoring

Search results provided no explicit market-size or CAGR data for “AI governance and agent monitoring.” I therefore estimated using internal market-structure knowledge: AI governance/agent monitoring is an emerging, specialized subsegment of the broader MLOps/AI management and security/governance software markets. Drivers include rapid LLM and autonomous-agent adoption, regulatory pressure (e.g., EU AI Act), rising enterprise risk-management spend, and demand for model-audit/monitoring, enforcement, and analytics. Assuming the broader MLOps/AI-management market is multiple billions and that governance/agent-monitoring represents a small but fast-growing share, a current market size of roughly $2.0B is plausible. Given adoption trajectories, strong regulatory tailwinds, and vendor investment, a high-growth early-stage CAGR is estimated at ~28% over the next 3–5 years.

Security awareness and workforce training

Estimates reconcile multiple industry reports in the provided search results. GrowthMarketReports cites a $2.5B global market in 2024 with a 13.2% CAGR; KBV Research reports ~$4.4B (2023) and a 16.8% CAGR for broader cyber training. Regional data (North America) shows ~$0.87B in 2024 with a ~12.7% CAGR, while Cybersecurity Ventures projects a higher $10B by 2027. I selected a midpoint market size (~$3.0B) for security awareness and workforce training specifically, and a growth-rate midpoint (≈13.5% CAGR) reflecting the range (≈12–17%) reported across sources.

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