How Big Is the Email Security Market | Growth Insights & Trends 2025

How big is the email security market?

The growth of this industry can be attributed to the rapid adoption of cloud email services, the increasing sophistication of phishing and ransomware attacks, and the need for advanced threat protection.

Growth Drivers of the Email Security Market

• Widespread implementation of AI-enhanced email threat detection and response
• Cloud-based email hosting from SMEs integrating security
• Hybrid work models necessitating secure remote communication
• Increased adoption of zero-trust and multi-layered security approaches
• Increase in Business Email Compromise and spear-phishing attacks
• Regulatory compliance demands in the BFSI, healthcare, and government spaces

Email Security Market Trends

Email Security Market is undergoing significant transformation, with major trends including AI-enhanced threat intelligence to anomaly detection/analysis, and a growing deployment of integrated email gateways and API-integrated security, coupled with an increasing focus on DMARC adoption for domain spoofing. Moreover, end-to-end email encryption and data loss prevention are critical for organizations managing sensitive communications.

Emerging Developments in Email Security Market

Within the Email Security Market, recent developments such as secure email gateways coupled with ML algorithms, the rise of cloud-native security platforms, and managed email security services targeting SMBs. Vendors seem to be providing more modular offerings that can expand across hybrid infrastructures and provide compliance with changing global norms around cybersecurity.

Leading Companies in the Email Security Industry

• Cisco Systems Inc.
• Mimecast Ltd.
• Proofpoint Inc.
• Barracuda Networks Inc.
• Trend Micro Inc.
• Fortinet Inc.
• Zix Corporation

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