Spam statistics: Unwanted e-mails from the United States are declining

Spam has been spreading over so-called bot networks for the past several years, mostly with the help of hijacked computers. Also in American private households and companies stand a lot of PCs, which are abused as foreign-controlled spam spinners. However, their share of the spam volume has declined noticeably compared to the end of the last year, as the security company eleven reports in his blog


In December 2012, the share of American computers in the total volume of unwanted advertising mail amounted to 10.6 percent. One in ten spam e-mails captured in the United States was therefore made home. In contrast, the contribution of American IP addresses to the spam problem in March of this year was only 3.2 percent.


In March, malware spammers have used up-to-date topics such as the election of the new pope and Cyprus rescue as bait to lure potential victims to prepared web sites. In a long-term study, researchers from the Magdeburger AV-Test Institute have found that malware is present in every third spam mail that has an attachment.