My security colleague, Joris Evers, reported on News.com about to hide their networks within real-world traffic. Botnets
are groups of compromised desktop computers (zombies) which, in large numbers, can be used to attack corporate networks
, or to make profits from click-to-view Web advertising
. Botnets are typically controlled via Internet Relay Chat (IRC) commands, but as Joris discovered, some are now using Web-based techniques, making detection much harder.