> For the complete documentation index, see [llms.txt](https://oten.gitbook.io/identity-support/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security.md).

# Account security

- [What should I do if I don't receive a verification code when signing up or forgot password?](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/what-should-i-do-if-i-dont-receive-a-verification-code-when-signing-up-or-forgot-password.md)
- [Email verification](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/email-verification.md)
- [Two-Factor Authentication](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/two-factor-authentication.md)
- [Passkey authentication](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/two-factor-authentication/passkey-authentication.md)
- [2FA-Email verification codes](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/two-factor-authentication/2fa-email-verification-codes.md)
- [MFA-Authenticator apps (TOTP)](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/two-factor-authentication/mfa-authenticator-apps-totp.md)
- [MFA-Passkeys (FIDO2 / WebAuthn)](https://oten.gitbook.io/identity-support/user-guide/account-management/account-security/two-factor-authentication/mfa-passkeys-fido2-webauthn.md)