Security Testing
OAuth 2.0 Negative Testing for Enterprise IdPs: Okta, Azure AD, Ping (2026)
How to design OAuth 2.0 negative test suites that catch real-world auth vulnerabilities across enterprise IdPs. PKCE mismatch, token reuse, scope escalation, and redirect-URI tampering with worked examples for Okta, Azure AD / Entra ID, and Ping Identity.
12 min readTotal Shift Left Team