Keyfactor vs Zscaler
Side-by-side comparison of AI visibility scores, market position, and capabilities
Keyfactor is an enterprise PKI and machine identity security platform automating certificate lifecycle management across hybrid and cloud environments; raised $125M Series B in 2021;
About
Keyfactor is a cybersecurity company founded in 2001 and headquartered in Independence, Ohio, specializing in public key infrastructure (PKI), digital certificate management, and cryptographic key security. Its platform enables enterprises to issue, automate, and govern the full lifecycle of digital certificates and machine identities — encompassing TLS/SSL certificates, code signing, IoT device credentials, and SSH keys — across on-premises, cloud, and hybrid environments. Keyfactor's two primary products are EJBCA (an enterprise certificate authority) and Command (a certificate lifecycle automation platform), both of which integrate with DevOps pipelines, ITSM tools, and cloud providers to eliminate manual certificate renewals and prevent costly outages caused by expired credentials.
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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