Prevent sign-in problems by adding your mobile phone number to your account.
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Think someone else is accessing your Yahoo account? Learn how to tell if your account has been compromised and how to secure it.
Learn what to do if your Yahoo Mail account is sending spam.
Access and manage a record of your Yahoo account's recent sign-in activity and location history.
Learn what CAPTCHA is, and why Yahoo uses it to verify you're human.
Your account is only as secure as you make it. Explore the many options you can take to safeguard your account.
Learn about practices that can risk your Yahoo Account's security.
Learn how to tell if a Yahoo webpage or communication is authentic.
Find out how to delete your Yahoo account permanently.
Add or remove an alternate email address or mobile number so we can confirm your identity if you ever need to regain access to your Yahoo account.
Use Sign-in Helper to get back in to your Yahoo Account.
Go to Sign-in Helper