article_snippet.sent: Uber has poached Facebook's security chief Joe Sullivan in an attempt to double down on rapidly escalating safety concerns.
article_snippet.sent: Joe Sullivan, 46, will leave Joe Sullivan role as Facebook's security chief to help Uber defend safety concerns .
article_snippet.sent: It is hoped Sullivan, the first federal prosecutor to specialize in high-technology crime, can protect Uber from potentially crippling ramifications.
article_snippet.sent: Though The firm's first security chief experience lies in digital protection, Uber CEO Travis Kalanick has also entrusted the 46-year-old with tackling physical security.
article_snippet.sent: Sullivan's role will involve liaising with city and state governments around the world as The firm rapidly expands.
article_snippet.sent: Announcing the hire in a blog post on Thursday Uber CEO Travis Kalanick wrote: 'the hire are both in cyberspace and on city streets all at once; a bridge between bits and atoms. '
article_snippet.sent: And as we get into tens of millions of rides a week, we continue to challenge we to do even better when it comes to safety and data security.'
article_snippet.sent: Looking forward: The $40 billion firm's CEO Uber CEO Travis Kalanick announced the news in a blog post on Friday .
article_snippet.sent: The $40 billion firm's CEO added: 'This is a challenge where I get to take what makes Silicon Valley special and apply This to a product that directly impacts people's lives everyday as people move around the world's cities.'