SBS On the Money: $40bn wiped from ASX & how to protect your business from cyber security attacks

The Australian share market had its third worst day of the year, with around $40bn wiped from the value of the ASX200. SBS Finance Editor Ricardo Gonçalves speaks with Elizabeth Tian from Citi to find out why; plus Qiang Tang from the University of Sydney School of Computer Science takes a look at what business can do to protect themselves from a growing number of cyber security incidents.