Almost every links added pointed to their own websites for search engines optimization to web host, but some pointed to non-existent sub-folders within the customer's site. When any search engines spider (SEO Company) searched a page within that non-exiting subfolders, a page created dynamically of links to the host’s own, and the host’s sites got even more links pointing to them. When people requested any of the non-existent pages, they were redirected to the site's home page, but for search engines (SEO Company), each hosting customer's site restricted sections that the customer didn't put there, and didn't know survived. They were virtual, vigorously created, sub-folders and pages, which were ever seen by search engine spiders only.
The reason of the scam was to submit large number of links, with targeted link text, to the website host's own sites; it is done to put the search engines rankings (SEO Company). But they don’t know the result and at last the customers lost out in ranking positions, due to the host was guiding PageRank (SEO India) out of the customer sites, which is affects them to lose a little ranking power.
We are efficient to get Google (SEO Company) to deal with the web host's site with no harming the guiltless customer sites, so that main theme goes in right way. But it is not an inaccessible case, and the leeway of a website hosting company scamming customers is something to be aware of. The problem arisen with this type of scam is that customers wouldn't able know how to spot it and there after to find solution.