ZDNet India : Sobig blamed for fourfold rise in spam

The amount of spam email has increased by a factor of four during the past year, according to email-security company MessageLabs - and the Sobig virus is being blamed.

The amount of spam moving around the Internet has increased from one spam in every eleven emails at the end of 2002 to one spam in every 2.5 emails today; a more than fourfold increase.