How big a threat is state sponsored computer hacking?

Dan Simmons visits a leading cybersecurity company to explore whether state-sponsored hacking can be stopped.

Every government worries about hostile takeovers of critical infrastructure like transport systems or power stations. Yet, it's believed that governments also target other nations to gather intelligence, information, and data that might be useful.

With experts now saying that security breaches are unavoidable, the focus is on how to reduce the risks and damage. BBC Click’s Dan Simmons visits a major cybersecurity company to see how state-sponsored hacking can be prevented.

See also: Cyber Pearl Harbor: Why hasn’t a major attack happened?

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