Independent Testing Validates Strength of Secure Email Threat Defense

Cisco Blog · 2026-06-16 · tech

Secure Email Threat Defense (ETD) has been recognized for its effectiveness in email security following an evaluation by SE Labs. In the May 2026 Advanced Email Security Evaluation, ETD achieved a Total Accuracy Rating of 94% across various threat categories, earning it the prestigious AAA award.

This independent testing highlights the capabilities of ETD in protecting against email-based threats, reinforcing its position in the cybersecurity landscape. The evaluation serves as a benchmark for organizations seeking reliable email security solutions.

Why it matters for certification candidates

This news is significant for individuals pursuing IT certifications related to cybersecurity, such as CompTIA Security+ or Certified Information Systems Security Professional (CISSP). Understanding the effectiveness of email security solutions like ETD can enhance knowledge and preparedness for real-world security challenges.

Original reporting: Cisco Blog