In 2016, Joe Sullivan, former CISO of Facebook, was at the peak of his career. As Uber's new CISO, he and his team had just successfully prevented data from a recent breach from leaking to the internet. But less than a year later, Sullivan was unexpectedly fired from Uber, and three years later, the US Department of Justice announced criminal charges against him. So, what happened at Uber?
![](https://www.cybereason.com/hubfs/dam/images/images-web/featured-images/ML-Ep-243-Card.png)