Forescout vs Zscaler
Side-by-side comparison of AI visibility scores, market position, and capabilities
Forescout provides automated cybersecurity for IT, OT, IoT, and IoMT devices, covering 20M+ assets across 3,000+ enterprise customers; backed by Advent International and Crosspoint Capital.
About
Forescout Technologies is a global cybersecurity company specializing in automated device visibility, compliance, and network access control across the full spectrum of connected devices — including IT endpoints, operational technology (OT), Internet of Things (IoT), and Internet of Medical Things (IoMT) assets. Founded in 2000 and headquartered in San Jose, California, Forescout addresses the fundamental challenge that enterprises and critical infrastructure operators face: you cannot secure what you cannot see. Its platform continuously discovers, classifies, and assesses every device connecting to a network without requiring agents installed on those devices.
San Jose zero trust security (NASDAQ: ZS) surpassing $3B ARR FY2025; 500B+ daily transactions across 160+ data centers for 8,650+ enterprises and 35% Forbes Global 2000 competing with Palo Alto Prisma for enterprise zero trust.
About
Zscaler is a San Jose, California-based cloud security company — publicly traded on NASDAQ (NASDAQ: ZS) at approximately $30 billion market capitalization — operating the world's largest security cloud, the Zscaler Zero Trust Exchange, that processes 500+ billion daily transactions across 160+ data centers globally. In fiscal year 2025 (ended July 31, 2025), Zscaler surpassed $3 billion in annual recurring revenue (ARR) with Q4 FY2025 revenue of $719.2 million (21% year-over-year growth), serving 8,650+ enterprise customers including 35% of the Forbes Global 2000. The platform's flagship products — Zscaler Internet Access (ZIA, secure web gateway), Zscaler Private Access (ZPA, zero trust network access), and Zscaler Digital Experience (ZDX, application performance monitoring) — have eliminated traditional VPN and network perimeter architectures for thousands of enterprises. Founded in 2007 by CEO Jay Chaudhry (serial security entrepreneur who built and sold four prior security companies); IPO March 2018.
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