Global spam volumes have fallen precipitously in the past two months, thanks largely to the cessation of junk e-mail from Rustock – until recently the world's most active spam botnet. But experts say the hackers behind Rustock have since shifted the botnet's resources toward other money-making activities, such as installing spyware and adware. That's good news or bad news, depending on whether you have a good anti-spyware program. If you don't I recommend Spybot (free) or Systems Mechanic Pro ($49.95). System Mechanic Pro is also a very good PC tunup tool.
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