If you’re on the West Coast and you get your newspaper delivered, you may have walked to your doorstep on Saturday morning to find nothing. It appears that’s because of a cyber attack that took down the system used by several news organizations to publish and distribute newspapers. This latest hack is one of several cyber attacks linked to foreign actors this year. The World’s Carol Hills interviews cybersecurity expert Alan Woodward about some of the biggest hacks of the year and what steps we can take to prevent them in the future.