Kynetra vs Clerk

Time-based one-time passwords with backup codes

Cryptographically-verified passkey registration & sign-in

OTP via Twilio / Vonage / Plivo

Magic-code email sign-in

Phone-call delivery of OTP codes for accessibility

OTP delivery via WhatsApp Business API

OTP delivery via Telegram bot

Mobile-app push approval (Duo-style)

Printable recovery codes

One-click email sign-in URLs

Device-bound guest sessions with optional upgrade-to-account

Web ↔ mobile cross-device login

Native iOS / Android biometric attestation

Honor Apple’s hide-my-email relay addresses

YubiKey OATH-TOTP, RSA SecurID, Token2 — paste base32 seed + serial, verify with one live code

Enterprise SAML with metadata XML upload

OpenID Connect identity providers

Google, GitHub, Microsoft, Apple, Facebook, LinkedIn, X, Discord

Full RFC 7644 user lifecycle sync

Create users on first SSO sign-in

Route to different IdPs based on email domain

SAML flows starting from the IdP side

Bring-your-own identity provider with custom claims

Parent-child role inheritance with wildcard permissions

10-operator policy evaluator with simulator

Test policies against synthetic users before publish

Per-row / per-object access control

Office-hours, expiration windows, schedules

Country / region allowlists and blocklists

W3C Decentralized Identifiers — did:key, did:web

W3C VC issuance and verification

Selective disclosure of identity attributes

EVM, Solana wallet-based authentication (SIWE)

Step-up decisions driven by an LLM risk model

Keystroke dynamics and mouse-movement profiling

Canvas, audio, font, WebGL fingerprint composition

Per-request risk re-evaluation, not just at login

IP / domain / hash reputation against external feeds

Score every request IP against abuse lists

Impossible-travel detection between sign-ins

Block or step-up on anonymizer networks

Browser-automation signals (Puppeteer, Playwright)

5 failures → 15-minute lockout per credential

Numeric risk score gates each authentication

Require MFA on sensitive operations

Hidden inputs that bots fill and humans skip

Per-tenant rate limits tied to billing plan

CRYSTALS-Kyber / Dilithium signing options

AWS CloudHSM / Azure Dedicated HSM / YubiHSM

k-anonymity check against Have I Been Pwned

Alert when user credentials surface in breach corpora

Carrier API check before sending SMS OTP

Block temporary inbox services at signup

Per-role caps on simultaneous active sessions

OAuth client_credentials grant for service-to-service auth

Rotate, revoke, scope-limit, IP-allowlist keys

Row-level tenant isolation enforced in middleware

Logo, colors, email templates per tenant

auth.yourcustomer.com via CNAME + ACM

Rebrandable JS / React / Next.js / Node SDKs

Docker / k8s / on-prem deployment with no phone-home

Sub-millisecond token verification at Cloudflare Workers

Persona / Stripe Identity / Onfido integration

Customer-managed encryption keys (CMEK)

Pin tenant data to EU / US / APAC / India regions

Reseller / agency hierarchical organization model

Restrict access by NFT / DAO membership ownership

Server-Sent-Events stream of every auth event

Each audit row hashes the previous → tamper-evident

One-click data subject deletion across all tables

Automated control-evidence capture for auditors

PHI-aware logging, BAA-ready data handling

Tokenization helpers that keep auth out of PCI scope

Sign-up → first action attribution

Full event timeline per user with replay

Stream events to Splunk / Datadog / Sumo Logic / S3

Page on-call for high-severity auth events

Route security events to Slack channels

Headless-browser canaries running every minute

Per-row Ed25519 signature for forensic provenance

Choose OpenAI / Anthropic / Google / Local / Ollama

LLM-driven fraud scoring on sign-up / sign-in

Predict 30-day churn probability per user

LTV / cohort / expansion forecasting

Always-on agents producing dashboards & alerts

Daily LLM-generated security posture review

Type the policy in English, get ABAC JSON

Drag-and-drop authentication flow designer

Split-test sign-up and MFA flows for conversion

Pixel-accurate replay of auth-page user sessions

Drag-and-drop email template builder

LLM-powered auth-help chatbot embedded in your app

Ask questions about your auth posture in natural language

Predict next-24-hour compromise probability per user

BB84-inspired key distribution simulation. Eavesdropping attempts collapse the channel and trigger lockout via QBER threshold.

Inline detection of synthetic faces and voices during biometric sign-in. Blocks AI-generated impersonation.

Continuous 0–100 score of how closely current session matches the user’s lifetime behavioral baseline (5 dimensions).

Verifiable Delay Function – credentials that mathematically refuse to verify before an unlock moment.

Shamir K-of-N threshold authentication. Auth secret split across N devices/parties, no single compromise unlocks.

Silent panic PIN + typing-pattern jitter analysis to detect coerced sign-ins. Triggers hidden alert.

Per-user analytics with mathematically-provable ε-DP guarantee via Laplace mechanism. Aggregates leak nothing.

Reconstruct any user’s full auth context as it existed at any past timestamp. Built for incident forensics.

Sensitive ops require N humans to co-authenticate within a time window (e.g. 2-of-3 admins for prod deploy).

LLM-generated decoy admin accounts with realistic personas. Any access attempt instantly pages security.