大象传媒

In recent times, hacking has featured in the news a little more literally that organisations would like - everyone from the 大象传媒 to Reuters has had social media accounts compromised.

But governments themselves are believed to target other nations to search for intelligence, information and data that might be useful.

Dan Simmons visits a major cyber-security company to look behind the scenes at how - or if - inter-state hacking can be prevented.