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+---
+title: New Login Verification for TOTP-based Logins
+description: PyPI has added email verification for TOTP-based logins
+date: 2025-11-14
+authors:
+  - di
+tags:
+  - security
+  - 2fa
+---
+
+We've implemented a new security feature designed to protect PyPI users from phishing attacks: **email verification for TOTP-based logins from new devices.**
+
+<!-- more -->
+
+### What's Changing?
+
+Previously, when logging in with a Time-based One-Time Password (TOTP) authenticator, a successful TOTP code was sufficient. Now, if you log in from a device or browser that PyPI doesn't recognize, we will send a verification email to the email address associated with your PyPI account with the subject "Unrecognized login to your PyPI account". You will need to click a link in this email to confirm the login attempt before you can proceed, after which the current device will be trusted for future logins.
+
+**Users who have enabled WebAuthn (security keys) or passkeys for 2FA will not see any changes**, as these methods are inherently phishing-resistant. They cryptographically bind the authentication to the specific website (origin), meaning an attacker cannot trick you into authenticating on a fake site, unlike TOTP codes which can be phished.
+
+### Why This Change?
+
+This extra step significantly enhances PyPI user account security by mitigating the risk of phishing. As we've discussed in previous posts, such as ["Phishing attacks with new domains likely to continue"](https://blog.pypi.org/posts/2025-09-23-plenty-of-phish-in-the-sea/), recent phishing campaigns have targeted PyPI users. This new feature is a direct response to these ongoing threats. Even if an attacker manages to steal your username, password, and a TOTP code, they won't be able to access your account from a new device without also gaining access to your email. This makes it much harder for malicious actors to compromise your account.
+
+### What You Need To Do
+
+Most users will only encounter this verification when using TOTP-based 2FA when logging in from a new device. If you receive a verification email and you *did not* attempt to log in to PyPI, please do not click the link. Instead, change your password immediately and review your account for any suspicious activity.
+
+While this new feature improves the security of TOTP, we continue to recommend migrating to stronger second-factor authentication methods such as **passkeys** or **WebAuthn (security keys)**. These methods offer superior protection against phishing and other sophisticated attacks. If you haven't already, please consider upgrading your 2FA method for the best possible account security on PyPI.
+
+We believe this change will make PyPI an even safer place for the Python community. Thank you for your continued trust and support!