It offers an up-to-date diagnosis of the spam problem in its different dimensions (technological, economic, social and legal) in order to identify the possible solutions and propose a series of recommendations for users, the industry and public authorities to address this issue.

For the preparation of the study INTECO has made use of the data obtained from its network of spam sensors, analysing in great detail more than 92 000 000 emails.

Likewise, this research has been completed and contrasted with information from other sources: on one hand, with the data obtained by the laboratories of companies providing computer security solutions -of importance is the collaboration of MessageLabs, Sophos and Spamina; on the other hand, with the opinions of 25 experts from distincs entities involved in the phenomenon of spam (electronic and direct marketing companies, system administrators, manufacturers of security applications, telecommunication companies, State security forces, public administration staff, etc).

Report available in English. The full report and the review is available in Spanish as well as a summary of the study in French.