#authentication

Passwords have been the foundation of digital security for decades. From employee email accounts to...

Generative AI is lowering the barrier for creating convincing fake login pages and lookalike domains designed to bypass traditional filters, capture MFA co

A security-aware pattern for testing OAuth email flows with isolated identities, redacted evidence, and clear ownership boundaries.

Originally published at GeekCoding101. Below is a table summarizing the different grant types in...

How do you fix "Auth conflict", 401, and /v1/v1 404 with ANTHROPIC_BASE_URL? 401...

Two origins, a token handoff in a URL fragment, PKCE on native, an Apple identity token with no browser at all, and an auth state listener whose most important rule is that it never downgrades on a null session.

We already use Firebase Authentication for primary login—ID tokens on the client, verified on the...

Passwords were designed for a world where people had five logins. Today most of us have dozens, and...

You can move users to a new login system without making anyone reset their password. To do it, you...

Master OAuth protected resource metadata discovery and learn why discovery does not replace strict JWT validation, issuer checks, and audience verification.

A Node.js and PostgreSQL design for reliable email verification with an outbox, idempotency keys, and auditable state transitions.

Security researchers analyzed a Microsoft 365 phishing campaign utilizing adversary-in-the-middle relays to capture sessions and replay stolen tokens at sc