Despite Jaguar Land Rover announcing some of its systems are back online, not a single car has rolled off the production line since the end of August. And there's still no date set for the factories to reopen. All because of a cyber attack, costing hundreds of millions of pounds and threatening thousands of jobs.

JLR is just the latest British company harassed by hackers – with Marks & Spencer, Harrods and Co-op all suffering major (and expensive) outages in recent months. Airports and national institutions have also been attacked.

It all raises serious questions about the UK's vulnerability to cyber terrorists. Who has been targeting these companies and why? What can companies do to defend themselves? Are we heading for a cyber attack pandemic? And what can your business do to prepare for the inevitable?

Niall is joined by James Hatch, chief digital officer at BAE Systems, and Sky's business correspondent Paul Kelso.

Producer: Soila Apparicio 
Editor: Mike Bovill