Anonymous - a podcast by BBC Radio 4

Online hacking collective Anonymous declared "total war" on IS after the attacks in Paris. Their tactics have often been controversial, sometimes illegal, and don't always win them support. As so-called Islamic State vows to fight back, what is Anonymous likely to achieve and will its strategy help or hinder the fight against extremism?

Presenter: Becky MilliganProducer: Ben Crighton.

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