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Zscaler: Can $650 Million Z Flex Momentum Sustain Enterprise Security Adoption?

Zscaler’s results for the second quarter of fiscal 2026 highlight both successes and areas for potential scrutiny. The company reported a 26% year-over-year revenue growth, amounting to $816 million, surpassing previous forecasts. The growth in revenue was driven by a robust increase in annual recurring revenue (ARR), which reached $3.4 billion, reflecting a 25% year-over-year increase. This growth was underpinned by strong demand for Zscaler’s Zero Trust architecture and its AI Security solutions, signaling a significant market opportunity in AI-related cybersecurity. Zscaler’s competitive advantage seems comprised deeply in its AI Security offerings, which address the expanding attack surface due to AI deployment across organizations. The company has processed nearly a trillion AI transactions in 2025 and is observing growing demand for AI Protect and Agentic Operations solutions.