The 2019 Christchurch terror attacks tragically highlighted how online capabilities can be exploited by bad actors. Since that time, there has been a concerted global effort by governments, tech companies and civil society to come together to mitigate these risks. But online extremism is a persistent challenge. The Institute's Lydia Khalil talks with Paul Ash, Chief Executive of the Christchurch Call Foundation(christchurchcall.org), about evolving online threats and how global coordination is becoming more complicated.