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Researchers have made a huge dent in a major variant of the Pushdo botnet, virtually crippling the network by working with hosting providers to take down about two thirds of the command-and-control servers involved in the botnet.
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More than 40 percent of the world’s spam is coming from a single network of computers that computer security experts continue to battle,
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Spammers know that if they include a direct link to their site that their spam messages will not go through so they use URL shortening services to redirect you to their site if you click on the link in the spam message.
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At the Federal Trade Commission
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Latest reports have spam accounting for more than 95 percent of all email messages. You can thank botnets for most of that. Here
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In part 1 of my series, I looked at which botnet sends the most spam, by total number of messages sent at the recipient level and not the envelope level. In part 2, I looked at which one sends the most spam by total amount of bytes that they emit.
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There are a couple of ways to measure which botnet sends the most spam. On the one hand, botnets can send 1 spam message but address it to a lot of different recipients, thus putting the cost of delivery heavily onto the recipient.
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Around the Internet, and even on this blog, various analyses have been done on botnets and which one is responsible for sending the most spam. Whether it
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We all know how tricky it can be to stay ahead of spammers, and their
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Technical Services Manager, and Optrics' point person for email security |
| Shaun Sturby, MCSE | |
