Gartner Research

Market Guide for Email Security


Large-scale migration of email to the cloud has necessitated a strategic shift in how to secure this communication channel. Security and risk management leaders must adopt a continuous adaptive risk and trust assessment mindset to protect inboxes from exposure to increasingly sophisticated threats.

Published: 06 June 2019

ID: G00400856

Analyst(s): Neil Wynne Peter Firstbrook

Table Of Contents

Market Definition

  • Market Description

Market Direction

  • Cloud Office Adoption and Duopoly
    • Organizations Are Evaluating All Products in Their Email Security Architectures Against the Native Capabilities That Google and Microsoft Claim to Provide
    • The Market for On-Premises Email Security Products Continues to Shrink
  • Adopting a Continuous Adaptive Risk and Trust Assessment Mindset
  • Mobile Device Prevalence

Market Analysis

  • Differentiating Capabilities
    • To Protect Against Attachment-Based Advanced Threats
    • To Protect Against URL-Based Advanced Threats
    • To Protect Against Impersonation and Social Engineering Tactics Used in URL-Based, Attachment-Based and Payloadless Advanced Threats
  • Additional Differentiating Capabilities
    • Anti-Phishing Behavioral Conditioning

Representative Vendors

  • Market Introduction
    • SEGs
    • Cloud Email Security Supplements
    • APBC
    • Email Data Protection Specialists

Market Recommendations

Gartner Recommended Reading

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