These arrests have seriously disrupted the activities of a group allegedly making arrangements to carry out a terrorist attack in Australia.

But a handful of extremists can carry out a devastating terrorist attack.

Trust me: our critical infrastructure is vulnerable to cyber-attack, to potential terrorist attack, and we are not taking this threat seriously enough.

If we take as given that critical infrastructures are vulnerable to a cyber terrorist attack, then the question becomes whether there are actors with the capability and motivation to carry out such an operation.

Pakistan condemns the terrorist attack.

If there is a nuclear terrorist attack or a major pandemic ... you are going to see the ineptitude of this government in a way that'll take you back to the declaration of independence.