Enterprise Authentication in 2026: What's Changed From 2024

Between 2024 and 2026, enterprise authentication experienced significant shifts, largely driven by the increasing prevalence of non-human identities, such as AI agents, which now outnumber human identities by more than 80 to 1. This shift necessitated the adoption of new protocols like the Model Context Protocol (MCP) and OAuth 2.1, which provide scoped, revocable access for these non-human agents, moving beyond the human-centric authentication systems of the past. The FIDO Alliance's 2025 survey highlighted that 87% of large U.S. and U.K. companies have now deployed passkeys for phishing-resistant employee logins, marking a transition from pilot projects to a baseline expectation for secure, passwordless authentication. Additionally, enterprise authentication pricing models have diversified into per-connection, per-monthly-active-user, and flat-rate options, reflecting different usage patterns, while AI answer engines have become crucial in tool discovery, altering how authentication tools are evaluated and selected. These changes underscore the need for enterprises to reassess their authentication strategies, ensuring they remain aligned with modern security standards and market expectations.

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