Authentication methods
What is passwordless login?
Compare passkeys, magic links, device prompts, and recovery trade-offs without assuming every password-free method is phishing-resistant.
Read the full guide →Understand the control
Choose a stronger sign-in method, prepare for account recovery, and learn to recognize fake login pages.
Authentication methods
Compare passkeys, magic links, device prompts, and recovery trade-offs without assuming every password-free method is phishing-resistant.
Read the full guide →Authentication terminology
Understand the relationship between two-factor and multifactor authentication, compare factor combinations, and choose stronger account protection.
Read the full guide →One-time password safety
Learn how authenticator, SMS, email, backup, and device codes differ, why unexpected codes appear, and how attackers relay them.
Read the full guide →Account security basics
Learn what two-factor authentication is, how it works, which methods are strongest, and how to turn 2FA on without locking yourself out.
Read the full guide →Phishing-resistant sign-in
Understand how passkeys work, why they resist phishing, how they differ from passwords, and what to check before creating one.
Read the full guide →Terminology made useful
Compare two-factor authentication and two-step verification, understand the terminology, and choose a stronger account security setup.
Read the full guide →Code-based protection
Learn how authenticator apps create verification codes, how to set them up safely, and how to avoid lockout when changing phones.
Read the full guide →Hardware-backed security
Learn how FIDO security keys work, how to register backup keys, and how to use hardware authentication without getting locked out.
Read the full guide →Plan before lockout
Understand account recovery codes, where to keep them, when to rotate them, and how to avoid scams that ask for a backup code.
Read the full guide →Phishing defense
Use a practical domain-first checklist to identify fake sign-in pages, avoid phishing links, and respond safely after a mistake.
Read the full guide →