Face it: There's no such thing as a supply-chain information-technology system that’s completely invulnerable to cyber attack. Hackers are growing more sophisticated every day, and the best ones manage to stay one step ahead of most companies' I.T. security departments. Still, there are some basic steps that companies can take to protect themselves against most kinds of incursions. On this episode, we get advice from Timothy Hall, president of Azorca Cyber Security, LLC. He talks about the real risks that supply chains face today, as well as some of the myths and misunderstandings that prevent them from building strong walls against the invaders. And he explains why so many major retailers have fallen prey to successful cyber attacks in recent months. Hint: It's not just about I.T.