Highlights from the SSE Threat Protection Test from NSS Labs
98.85%
Overall Security Effectiveness
99.05%
Exploit Block Rate
98.65%
Malware Block Rate
Zscaler Achieved Highest Score in NSS Labs SSE Threat Protection Test
Zscaler is proud to have earned a 98.85% security effectiveness score in the NSS Labs SSE Threat Protection evaluation. We achieved the highest score for the third year in a row!
NSS Labs provides objective ratings of security products based on rigorous research and testing.
The 2026 SSE Threat Protection test assessed the effectiveness of Zscaler Zero Trust Exchange in preventing a wide range of malware, evasions, and exploits in several areas, including:
Threat protection
How effectively SSE protects against malware and exploits
Resistance to evasion
How effectively SSE handles techniques that would otherwise permit attackers to circumvent policy
TLS/SSL functionality
Support for various TLS and SSL cipher suites