What is fraud filtering technology?

Search engines are now implementing fraud filtering technology to help prevent and catch click fraud. Overture in particular has taken great strides to improve their fraud filtering technology, and they have dedicated additional resources to handling advertiser fraud cases. Click fraud at overture is taken very seriously, and they have a team of professionals to develop additional technology to prevent pay per click fraud. This fraud filtering technology is also used by other search engines as well, and is still in development. Click-through protection and fraud filtering software is very important to advertisers, and is key in the prevention of click fraud.