Tesseral vs Fortinet
Side-by-side comparison of AI visibility scores, market position, and capabilities
US open-source B2B authentication platform for SAML and SCIM enterprise SSO; YC $3.3M seed May 2025 from Paul Graham backing competing with WorkOS for SaaS company enterprise identity infrastructure.
About
Tesseral is a US-based open-source B2B authentication infrastructure company — backed by Y Combinator with $3.3 million in seed funding raised in May 2025 from YC, Jessica Livingston, and Paul Graham — building developer-friendly SAML, SCIM, and enterprise SSO infrastructure that enables SaaS companies to implement enterprise authentication standards without the months of engineering work that supporting each enterprise customer's identity provider (Okta, Azure AD, Google Workspace) typically requires. Founded by Ned O'Leary and Ulysse Carion, Tesseral democratizes enterprise authentication capabilities that were previously only accessible to large organizations with dedicated identity engineering teams.
Network security leader with $5.3B revenue; custom ASIC-powered FortiGate firewalls, Security Fabric platform, and expanding SASE and OT security offerings.
About
Fortinet is a global leader in network security, providing enterprise firewalls, endpoint protection, network access control, and cloud security products under the FortiGate and Fortinet Security Fabric brand. Founded in 2000 by brothers Ken Xie and Michael Xie and headquartered in Sunnyvale, California, Fortinet pioneered the unified threat management (UTM) appliance category and has grown into one of the largest pure-play cybersecurity companies with approximately $5.3 billion in annual revenue. The company is listed on NASDAQ.
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