In this second part of our analysis of nation state cyber attacks, we look at how threats are evolving, and how increasingly private businesses are their targets.

According to research by analysts Forrester, nation state attacks are becoming both more frequent, and more severe. And attackers have widened both their objectives, and their methods.

But can organisations, especially in the private sector, defend themselves against these attacks? Forrester has put together a model setting out one way to do just that.

Our guest is Allie Mellen, senior analyst covering cybersecurity at Forrester, and lead author on the research, which is summarised here.