If you've received a phishing email asking you to verify and/or provide information regarding your Yahoo! account, please forward the email to mail-spoof@cc.yahoo-inc.com. We will investigate the email and take appropriate action. You can also report phishing emails by contacting Yahoo! Customer Care.
If you've received a phishing email referencing a non-Yahoo! web site, email address, or service, we encourage you to report such incidents to the appropriate provider or company involved. They will be in a better position to take appropriate action.
Finally, for additional information and tips on protecting your information online, please visit the Yahoo! Security Centre.