Aarti, if this happened in 2014, why is Yahoo just notifying users now?

阿尔蒂，如果黑客攻击发生在2014年，那为什么雅虎现在才告知用户？

And first, Aarti, tell us about the attack. When did it happen, and what exactly was taken?

阿尔蒂，请先介绍一下这起黑客袭击事件。这是什么时候发生的？具体哪些信息失窃？

Aarti, Uber has been the focus of a lot of litigation around the country and around the world. Break this case down.

阿尔蒂，优步在全美和全世界陷入多个法律纠纷中。请分析一下这起诉讼。