Yes, Firefox downloads a list of suspicious sites from Google every 30 minutes. It uses the Google Safe Browsing Protocol -- https://code.google.com/p/google-s

Yes, Firefox downloads a list of suspicious sites from Google every 30 minutes. It uses the Google Safe Browsing Protocol -- https://code.google.com/p/google-safe-browsing/wiki/Protocolv2Spec https://code.google.com/p/google-safe-browsing/wiki/Protocol...