Guide

Gartner® Research: How to Develop an Email Security Strategy

A practical framework to organize and mature your email security program

Access this Gartner research to understand how to structure your email security function, align controls with business risk, and plan for evolving threats and operations. The research provides cybersecurity leaders a comprehensive, risk-based strategy to help organizations build a resilient email security strategy, optimize investments and stay ahead of emerging threats.


Our key takeaways:

  • A structured approach for establishing a secure baseline and protecting mailboxes.
  • How domain infrastructure controls, such as DMARC for validating corporate email identity, help establish a secure baseline for your email security strategy.
  • Ways to align policies with zero‑trust principles and business needs.
  • Considerations for data protection, monitoring, and operational maturity.
  • How to evaluate vendor strategies without inflating cost or complexity.

Who should read it:
CISOs, security architects, SecOps leaders, email/security admins, risk & compliance teams.

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Source: Gartner, How to Develop an Email Security Strategy (ID G00832145), Max Taggett and Nikul Patel, 20 August 2025.



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