Zscaler Achieves High Efficacy in NSS Labs SSE Threat Protection Test

Zscaler has been recognized as a Highly Effective & Reliable cloud-delivered security platform in the Q2 2026 NSS Labs SSE Threat Protection test. The Zscaler Zero Trust Exchange™ platform achieved an overall security efficacy score of 98.85%, demonstrating exceptional performance against advanced threats. Key metrics include a 100% resistance rate against evasion techniques, a 98.65% malware block rate, and a 99.05% exploit block rate. The test assessed Zscaler's capabilities against 4,873 unique malware samples, highlighting its effectiveness in blocking both known and zero-day threats. The NSS Labs test utilized a significantly updated methodology to evaluate real-world performance, emphasizing the need for continuous improvement in cybersecurity measures. Zscaler's defense-in-depth strategy, which includes full TLS/SSL inspection and AI-powered malware detection, contributes to its strong performance. These results underscore Zscaler's commitment to maintaining a leading position in the cybersecurity landscape.

Key Points: • Zscaler achieved a 98.85% security efficacy score in NSS Labs' Q2 2026 test. • The platform demonstrated a 100% resistance rate against sophisticated evasion techniques. • Zscaler's testing included 4,873 unique malware samples, showcasing its effectiveness against advanced threats.