They briefed the Cobra committee (made up on this occasion by on-the-ball, internet-savvy actors playing the prime minister, culture secretary and home secretary) on response strategies to the threat, analysed a simulated Twitter feed to gauge the social media response to the issue, and discussed and debated strategies for managing the attack on a chat site called the Und3rgr0und - the gathering place of choice for Incognito hacktivists.

BBC: Viewpoint: Preparing for the digital defence of the realm