Thank you very much for sharing this.
Judd Seida

Well, Google via the Webmaster tools of hosting companies might have some solutions, but I don’t think that the sites in question are generally aware of all this. From what we have observed, these are not major sites that are hacked, so most likely the webmaster is the business owner who probably have other things to worry about. Of course, it would be easy to notice if you are keeping an eye on your analytics, sudden traffic spikes, top pages etc.