What actually works to prevent terrorist attacks and is Australia up to challenge in a complex threat environment?The Prime Minister says new laws to tackle antisemitism will include powers to deport so-called hate preachers and a new criminal charge for those advocating "racial supremacy".He’s also been pressured into adopting in-full the recommendations from the Special Envoy's Plan to Combat Antisemitism.Today, the Lowy Institute's Lydia Khalil on how to stop the next terror attack.Featured: Lydia Khalil, extremism and counter terrorism expert and the director of the transnational challenges program at the Lowy Institute