Trend Micro Deep Discovery Inspector vs Zscaler Advanced Threat Protection: side-by-side comparison (2026)

Trend Micro Deep Discovery Inspector: Network appliance detecting advanced threats via sandboxing & traffic analysis. Built by Trend Micro.

Zscaler Advanced Threat Protection: Cloud-based ATP with inline threat detection, sandboxing, and TLS/SSL inspection. Built by Zscaler.

The table above shows where their features, integrations, deployment and company size fit differ.

Trend Micro Deep Discovery Inspector is made by Trend Micro. Zscaler Advanced Threat Protection is made by Zscaler. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

In part. Trend Micro Deep Discovery Inspector and Zscaler Advanced Threat Protection are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.