Buyer's Guide|24 Oct 2025

CISO Guide to Replacing Your SEG

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Secure email gateways (SEGs) once blocked email threats, but cybercriminals now exploit their limitations. Sophisticated attacks like business email compromise, vendor impersonation, and credential phishing use social engineering to bypass detection. These threats caused over $51 billion in global losses, with attacks rising 55% year-over-year.

This guide explains why SEGs fail against advanced threats and how AI-driven solutions offer better protection while reducing costs. Learn about attacks evading defenses and how to transition to effective email security:

· Attacks bypassing SEGs
· Steps to adopt AI detection
· Cost-saving strategies

Read the guide to modernize your approach.

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