Signal Blog

I spend a fair amount of time helping Signal clients create and send legitimate email marketing messages to their list subscribers. But this work is made ever more difficult by the fact that there are so many 'bad guys' out there (10 million?) spamming every mail box in site. I also spend a lot of time talking to clients about how they can reduce the amount of spam that they see in their mail boxes. It seems like half of the time a think about how to block messages, the other half I think about how to get message through.

Botnets winning spam wars

Report says that by the time anti-spam systems have identified compromised PCs and servers, most botnets will have shifted to using new machines. The world's anti-spam systems are fighting a furious but hopeless battle against botnet spam, a new threat analysis from Commtouch has claimed. According to the U.S. company's zombie monitor, by the time that reputation and source analysis systems have identified compromised PCs and servers responsible for sending the spam that floods the Internet every day, most botnets will have shifted to using new machines. Given that the company reports there being an average of 10 million botnet 'zombies' active on any one day in the second quarter of 2008, the only way to of stem the spam tide is to filter it out in a reactive way using costly technologies at the ISP or gateway level.

Read the whole story at InfoWorld