Botnet boom and bust

It is not often that a drunken discussion provides anything more than a hangover the following morning, but recently a bunch of IT security experts got talking while the beer was flowing and someone asked the question: what is the biggest threat on the IT landscape today? Everything from 'the user' at the obvious end through to 'Bill Gates' at the drunken bum end of the scale was suggested, but the undoubted winner which was revealed before we all passed out was the botnet.