Lookout vs Zscaler
Side-by-side comparison of AI visibility scores, market position, and capabilities
Mobile-first cybersecurity platform covering endpoint detection, SASE, and cloud data protection; ~$616M raised; valued at ~$1B; 524–730 employees; transitioned from consumer to enterprise security focus.
About
Lookout is a cybersecurity company specializing in mobile endpoint security and cloud-delivered security services for enterprises, originally founded in 2007 as a consumer mobile security app. Headquartered in Boston, Massachusetts, Lookout provides mobile endpoint detection and response (EDR), a Secure Access Service Edge (SASE) platform, zero-trust network access (ZTNA), and cloud data loss prevention (DLP). Following its 2021 acquisition of CipherCloud, Lookout extended its platform beyond mobile devices to cover cloud application security, hybrid work access controls, and data protection for SaaS environments — positioning it as a unified endpoint-to-cloud security provider.
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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