MFA and Session Lock Controls for High-Risk API Actions
Use multi-factor authentication, step-up checks, session locking, and reauthentication to protect sensitive API actions without treating MFA as a blanket cure.
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Identity & Access
Authentication, authorization, MFA, session security, identity evidence, and least-privilege access decisions.
API Authentication: OAuth, API Keys, and Safer Credential Choices
Compare OAuth, API keys, mutual TLS, and signed requests, then choose an authentication pattern that fits the caller, channel, and risk.
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Access Control API Design: Authorization Without Hidden Gaps
Design an access-control API that evaluates identity, action, resource, tenant, and context consistently—without creating bypasses or brittle policy calls.
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