Four ways social media companies and security agencies can tackle terrorism

Social media can play a role in countering the terror messages from extremists

Prime Minister Malcolm Turnbull has joined Britain’s Prime Minister Theresa May in calling on social media companies to crack down on extremist material being published by users.

It comes in the wake of the recent terror attacks in Australia and Britain.

Facebook is considered a hotbed for terrorist recruitment, incitement, propaganda and the spreading of radical thinking. Twitter, YouTube and encrypted services such WhatsApp and Telegram are also implicated.

Addressing the extent of such content on