Why do I have to change my Yahoo password?

If we've noticed any unusual activity on your account or if you're using a password that's old or not strong enough, we'll ask you to change it. By creating a new password, your personal info remains secured from intruders and imposters. For additional security tips, review the following:

• Tips for creating a strong password.
• Tips for staying safe and secure online.
• Tips to ensure that your Yahoo account is secure.