# Trend Micro Deep Discovery Inspector vs Zscaler Advanced Threat Protection: side-by-side comparison (2026) [Trend Micro Deep Discovery Inspector](https://cybersectools.com/tools/trend-micro-deep-discovery-inspector) is a commercial [network detection and response](https://cybersectools.com/categories/ndr) solution by [Trend Micro](https://cybersectools.com/companies/trend-micro). [Zscaler Advanced Threat Protection](https://cybersectools.com/tools/zscaler-advanced-threat-protection) is a commercial [network sandboxing](https://cybersectools.com/categories/network-sandboxing) solution by [Zscaler](https://cybersectools.com/companies/zscaler). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Trend Micro Deep Discovery Inspector | Zscaler Advanced Threat Protection | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Network Detection and Response | Network Sandboxing | | Verified | No | No | | Deployment type | Hybrid | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Trend Micro | Zscaler | | Headquarters | – | – | ### Use cases and capabilities | | Trend Micro Deep Discovery Inspector | Zscaler Advanced Threat Protection | |---|---|---| | Anomaly Detection | Yes | – | | IoT Security | Yes | – | | Lateral Movement | Yes | – | | Ransomware Prevention | Yes | – | | STIX | Yes | – | | Sandbox | Yes | – | | Proxy | – | Yes | | TLS | – | Yes | | Zero Day | – | Yes | ### Core features **Trend Micro Deep Discovery Inspector** 10 features listed. Sign in on the page to see them. **Zscaler Advanced Threat Protection** 10 features listed. Sign in on the page to see them. ### Integrations **Trend Micro Deep Discovery Inspector** 2 integrations listed. Sign in on the page to see them. **Zscaler Advanced Threat Protection** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Trend Micro Deep Discovery Inspector](https://cybersectools.com/tools/trend-micro-deep-discovery-inspector) fits if you need both cloud and on-premises options. - [Zscaler Advanced Threat Protection](https://cybersectools.com/tools/zscaler-advanced-threat-protection) fits if you want a cloud product. ## Trend Micro Deep Discovery Inspector vs Zscaler Advanced Threat Protection FAQ Common questions when comparing Trend Micro Deep Discovery Inspector vs Zscaler Advanced Threat Protection for network detection and response. ### What is the difference between Trend Micro Deep Discovery Inspector and Zscaler Advanced Threat Protection? **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. ### Who makes Trend Micro Deep Discovery Inspector and Zscaler Advanced Threat Protection? **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. ### Is Trend Micro Deep Discovery Inspector a good alternative to Zscaler Advanced Threat Protection? 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. ## Related comparisons - [Trend Micro Deep Discovery Inspector vs WatchGuard ThreatSync NDR](https://cybersectools.com/compare/trend-micro-deep-discovery-inspector-vs-watchguard-threatsync-ndr) - [Trend Micro Deep Discovery Inspector vs Sangfor Cyber Command NDR Platform](https://cybersectools.com/compare/sangfor-cyber-command-ndr-platform-vs-trend-micro-deep-discovery-inspector) - [Trend Micro Deep Discovery Inspector vs ThreatBook Threat Detection Platform (TDP)](https://cybersectools.com/compare/threatbook-threat-detection-platform-tdp-vs-trend-micro-deep-discovery-inspector) - [Zscaler Advanced Threat Protection vs WatchGuard ThreatSync NDR](https://cybersectools.com/compare/watchguard-threatsync-ndr-vs-zscaler-advanced-threat-protection) - [Zscaler Advanced Threat Protection vs Sangfor Cyber Command NDR Platform](https://cybersectools.com/compare/sangfor-cyber-command-ndr-platform-vs-zscaler-advanced-threat-protection) - [Zscaler Advanced Threat Protection vs ThreatBook Threat Detection Platform (TDP)](https://cybersectools.com/compare/threatbook-threat-detection-platform-tdp-vs-zscaler-advanced-threat-protection) ## Alternatives to each - [See all Trend Micro Deep Discovery Inspector alternatives](https://cybersectools.com/alternatives/trend-micro-deep-discovery-inspector) - [See all Zscaler Advanced Threat Protection alternatives](https://cybersectools.com/alternatives/zscaler-advanced-threat-protection) --- Source: https://cybersectools.com/compare/trend-micro-deep-discovery-inspector-vs-zscaler-advanced-threat-protection For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/trend-micro-deep-discovery-inspector.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Trend Micro Deep Discovery Inspector and Zscaler Advanced Threat Protection: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md