- keyword stuffing
- link farming
Cloaking is where content is created specifically for search engine crawlers and is hidden from normal view. Link farming is a network of interconnected pages with false content designed to look reputable to Google and other search engines in order to boost search rankings.
Protecting your enterprise against SEO skullduggery requires a mix of URL filtering and content inspection, as well as malware detection technologies. In addition, Web site administrators should make sure their sites are not vulnerable to compromise by attackers looking for legitimate sites to host their scheme.
Want to learn more? Check out eWeek's inside look at How Black Hat SEO Abuses Search Engines.