From DarkReading.com (Kelly Jackson Higgins)
Big-name botnets like Kraken/Bobax, Srizbi, Rustock, the former Storm — and even the possible botnet-in-waiting, Conficker — have gained plenty of notoriety, but it’s the smaller and less conspicuous ones you can’t see that are doing the most damage [darkreading.com] in the enterprise.
These mini-botnets range in size from tens to thousands versus the hundreds of thousands, or even millions, of bots that the biggest botnets deploy. They are typically specialized and built to target an organization or person, stealing corporate and personal information, often without a trace. They don’t attract the attention of the big spamming botnets that cast a wide net and generate lots of traffic; instead they strike quietly, under the radar. Read the full story [darkreading.com]