Is your PC infected? Do you have an up to date antivirus?Grand total
Daren Lewis of Symantec keeps tabs on many of the botnets for MessageLabs and has come up with some startling numbers. Here are the overall statistics:
* 80 percent of all spam is sent by these 10 botnets.
* These 10 botnets send 135 billion spam messages a day.
* Five million computers belong to the 10 botnets.