How to prevent my web proxy site to be report as a fishing site
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I have a web proxy site to help chinese, they can view a webpage blocked by government by a modified url, like http://www.google.com.mywebproxy.domain/.

But some website has been report as a fishing site on google and others. I need know the rules how search engine detect a fishing site, and I can block some page that I should never proxy.

for example, how can I detect a website has a form input credit card information?