CGI proxy hijacking appears to be getting worse. I am pretty sure that Google is well aware of it by now, but it seems they have other things higher on their priority list. If you are not familiar with the problem, take a look at these for some background information:
Basically negative SEOs are causing good pages to drop from the search engine results by pointing CGI proxy servers’ URLs to a victim’s domain, and then linking to those URLs so that search engine bots find them and the duplicate content filters drop one of the pages—inevitably the one with the lowest PageRank, the victim’s page.
As I mentioned in a previous post, it is very likely that this would be an ongoing battle, but that doesn’t mean we have to lay down and do nothing. Existing solutions require the injection of a meta robots noindex tag on all web pages if the visitor is not a search engine. In this way search engines won’t index the proxy-hijacked page. Unfortunately, the proxies are already altering the content before passing it to the search engine. I am going to present a solution I think can drastically reduce the effectiveness of such attacks. Read more