This Cartoon Is the Simplest Explanation of Heartbleed Yet

You may have read some long explainers about how Heartbleed works, but this cartoon is the simplest description you'll see of the bug.

Using just six panels, three words—potato, bird and hat—and his usual charming style, Randall Monroe perfectly explains how the Internet's scariest security hole works. Check it out below. The only downside: knowing with clarity how it works only makes it more scary. [XKCD]