Marketplace Tech With Molly Wood

In software development, bugs in the code are inevitable. That’s why companies push out software updates so often. But there is a specific kind of bug that is especially worrisome, something called a “zero day.” It’s a bug no one knows about — not even the software company — so it hasn’t been patched and is vulnerable to hackers. Dina Temple-Raston, host of the podcast “Click Here,” has more on this story.