This week we turn the whole programme over to the extraordinary events that have taken place on the web over the past fortnight.
Since the Guardian and four other newspapers around the world printed the details of US diplomatic cables that were leaked to whistleblowing website WikiLeaks, major internet companies and services have been taken offline in a battle between hackers and governments – all over the principle of the freedom of the internet.
In this programme we'll discuss whether this could be the first global cyber war, as well as looking at what has happened so far and how the attacks took place.
We'll hear how Tom Cruise's video on the virtues of Scientology helped spawn online activists Anonymous, and an expert on electronic transactions gives his view of the success of the Operation Payback attacks.
The programme is presented by Jemima Kiss, who is joined by the Guardian's technology editor Charles Arthur, Professor William H Dutton of the Oxford Internet Institute and Graham Cluley, senior technology consultant at security experts Sophos.
You may also want to listen to our recent Guardian Focus podcast which looks at the future of US diplomacy and the Politics Weekly podcast which discusses whether governments can - and should - keep secrets from their voters.
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