Reporting Security Issues on Yahoo
If you are a member of the security community and need to report a technical vulnerability, please visit our Bug Bounty Program site.
If you want to report abusive behavior, spam, email scams, connectivity problems, or other nonsecurity issues, or if you are having problems with your Yahoo account, please visit our security help page.
To report phishing emails or websites, please see How do I report a phishing email or website?
If you believe that your personal safety is at risk or that you may be the victim of identity theft or other illegal conduct, please contact the appropriate federal, state, or local law enforcement agencies directly.