Google Security and Product Safety

If you are a Google user and have a security issue to report regarding your personal Google account, please visit our contact page. This includes password problems, login issues, spam reports, suspected fraud and account abuse issues... If you have discovered a vulnerability in a Google product or have a security incident to report, please email security@google.com. Please include a detailed summary of the issue including the name of the product (e.g., Gmail) and the nature of the issue you believe you've discovered... This process of notifying a vendor before publicly releasing information is an industry-standard best practice known as responsible disclosure... Working together helps make the online experience safer for everyone...

Read this in google web-site and a related article in techrepublic.