We're taking a break from our hiatus for an episode focused on cybersecurity in the oil and gas industry. By some accounts as many as two-thirds of US oil companies believe they've been hacked in the last year. Experts say hackers are after more than just data - the increasing digitisation of the oilfield means vital physical processes are now vulnerable to attack. We speak with top-level representatives of Emerson and Schneider Electric, two companies who provide automation equipment upstream and downstream and are at the forefront of protecting systems from cyber attacks.