PushDo Botnet Crippled by Researchers

Continue Reading Add comment

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.

FTC Permanently Shuts Down Notorious Rogue I.S.P.

Continue Reading Add comment

At the Federal Trade Commission

Millions Continue to Click on Spam

Continue Reading Add comment

Consumers Don

The Top 10 Botnets

Continue Reading 1 comment

Latest reports have spam accounting for more than 95 percent of all email messages. You can thank botnets for most of that. Here

Which botnet sends the most spam, P 3

Continue Reading Add comment

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.

Which Botnet Sends the Most Spam? P 2

Continue Reading Add comment

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.

Which botnet sends the most spam?

Continue Reading Add comment

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

McColo Hands Off Botnets to the Russians

Continue Reading Add comment

Brief respite from spam could be over as McColo hands off Command and Control of Botnets to a Russian network.

In The Fight Against Spam Dutch Police Notify Users Infected with Bot Malware

Continue Reading Add comment

Dutch police have notified people whose computers were infected with malware that made them part of a botnet comprising more than 100,000 PCs. People were redirected to a web page containing directions on disabling the malware and a link to an online virus scanner.


Our Author

Shaun Sturby, MCSE Technical Services Manager, and Optrics' point person for email security
Shaun Sturby, MCSE