In early 2005 Webroot Software released its State of Spyware Report which was conducted by Webroot and Earthlink. In the survey over 4.6 million computer systems were scanned during 2004 and the results have shown how threatening spyware has become.

It was suggested that more than 90 percent of all computers with internet connections are infected with spyware. During the first quarter of 2005 approximately 88 percent of systems scanned with Webroot