Asia-Based Computers Spread Half World's Spam

"Sophos' latest research reveals that even as the U.S. remains the single worst offender with 11.3 percent, Asian nations now contribute 'more than half of all spam messages now being relayed via the continent' at 50.1 percent."

Spammers Sought After Botnet Takedown

"The Rustock botnet, which sent up to 30 billion spam messages per day, might have been run by two or three people."

U.S. Spam Now Top of Global List

"Malware, phishing scams and malicious spam originating from the United States has put the U.S. top of a global list of countries most responsible for cybercrime activity, IT security and data protection firm Sophos said in a report."

U.S. Replaces China as Top Source of Malicious Servers

"Kaspersky Lab reports that 28% of 1.9 million servers it found distributing malware in the first three months of this year were located in the U.S. That compares to China as the source of 33% of 85.9 million malicious servers Kaspersky tracked down in the final quarter of 2009."

Researchers Develop a More Accurate Spam Filter

"California researchers have developed a system they believe could stop the most common kind of spam from reaching people's in boxes."

The World’s Top 10 Spammers

"A monitoring group says these are the world's worst e-mail abusers."

Spam 'produces 17m tons of CO2'

"A study into spam has blamed it for the production of more than 33bn kilowatt-hours of energy every year, enough to power more than 2.4m homes. The Carbon Footprint of e-mail Spam report estimated that 62 trillion spam emails are sent globally every year. This amounted to emissions of more than 17 million tons of CO2, the research by climate consultants ICF International and anti-virus firm McAfee found."