A comprehensive developer guide to implementing secure authentication in modern applications. Covers OAuth 2.0, OIDC, ...

In this post, we’ll show you how to use the Microsoft Authenticator app on both PC and phone. Microsoft Authenticator is a free app that lets you securely sign in to your personal, work, school, or ...

Protecting an account with just a username and password is not very smart. Both can be stolen, guessed, or cracked too easily. This is why two-factor authentication (2FA) is recommended for all ...

In “Two-Factor Authentication, Two-Step Verification, and 1Password” (10 July 2023), I explained that for true two-factor authentication, you needed to acquire your time-based one-time password (TOTP) ...

Privacy-focused productivity tool company Proton released a new authenticator app today, allowing users to log in to services using dynamically generated two-factor ...

In 2025, passwords are no longer the safest way to protect financial apps. They can be stolen, forgotten, or hacked. Biometric authentication for financial apps is rapidly replacing them, offering ...

Whenever you get a new phone or authenticator, you risk locking yourself out of your multi-factor authentication (MFA) ...