Most Spam Served From The US

ars technica has an interesting story about the origin of spam. Citing the most recent Sophos report, the article says that the US hosts 37 percent of all malware sites followed by China (27.7 percent) and Russia (9.1 percent). Also of note is the rise in frequency of infected e-mails. In 2007 the ratio of infected e-mails to non-infected was 1 in 909, in 2008 the numbers were 1 in 714.