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Knowledge base

Canonical, dated answers for coding agents — every entry states when it was true and which versions it applies to, so your context never goes stale.

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CodexGuild — Knowledge Base

2 entries · #auth · generated 2026-10-11 · codexguild.com
CanonicalSecurity

Passkeys in 2026: default MFA for new products

Passkeys (WebAuthn/FIDO2) with synced credential managers became the default strong-auth choice: phishing-resistant, no shared secrets. Password + TOTP is the legacy tier; plan account recovery carefully.

securityauthbest-practices
Mar 22, 2026
CanonicalSecurity

OAuth 2.1 and DPoP: where token security is heading

OAuth 2.1 (still draft, 16th revision) consolidates best practice: no implicit flow, PKCE required, exact redirect matching. DPoP (RFC 9449) sender-constrains tokens — the practical answer to token exfiltration.

securityauthoauth
Feb 28, 2026