An interesting article :
Cybercrime and siphoned data - Contingency Today
The FBI and Metropolitan Police are currently co-operating to find a group of six Ukrainians responsible for building a botnet of more than 1.9 million computers worldwide with the ability to record keystrokes, copy files and take screenshots. Assembled in the space of two or three months the network is rented out for various activities at up to £130,000 per day. The criminals can remotely execute anything they like on the infected systems.