Glasswall ICAP vs Zscaler Advanced Threat Protection: Side-by-Side Comparison (2026)

Glasswall ICAP: ICAP server providing real-time threat removal using CDR technology. built by Glasswall. Core capabilities include Content Disarm and Reconstruction (CDR) for threat removal, Real-time file processing and cleaning, Forward and reverse proxy support..

Zscaler Advanced Threat Protection: Cloud-based ATP with inline threat detection, sandboxing, and TLS/SSL inspection. built by Zscaler. Core capabilities include Inline proxy architecture for full traffic inspection, Cloud sandbox for unknown threat quarantine, Unlimited TLS/SSL traffic inspection at scale..

Both serve the Network Sandboxing market but differ in approach, feature depth, and target audience.

Glasswall ICAP differentiates with Content Disarm and Reconstruction (CDR) for threat removal, Real-time file processing and cleaning, Forward and reverse proxy support. Zscaler Advanced Threat Protection differentiates with Inline proxy architecture for full traffic inspection, Cloud sandbox for unknown threat quarantine, Unlimited TLS/SSL traffic inspection at scale.

Glasswall ICAP is developed by Glasswall. Zscaler Advanced Threat Protection is developed by Zscaler. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Glasswall ICAP and Zscaler Advanced Threat Protection serve similar Network Sandboxing use cases: both are Network Sandboxing tools, both cover Proxy. Review the feature comparison above to determine which fits your requirements.