![Utkarsh Sanghi, a security engineer at Google, works in a hallway during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nevada August 6, 2014. Utkarsh Sanghi, a security engineer at Google, works in a hallway during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nevada August 6, 2014.](https://c8.alamy.com/comp/2E69BT6/utkarsh-sanghi-a-security-engineer-at-google-works-in-a-hallway-during-the-black-hat-usa-2014-hacker-conference-at-the-mandalay-bay-convention-center-in-las-vegas-nevada-august-6-2014-reuterssteve-marcus-united-states-tags-science-technology-politics-business-2E69BT6.jpg)
Utkarsh Sanghi, a security engineer at Google, works in a hallway during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nevada August 6, 2014.
Annual Def Con hacker convention tests flaws in US election system ahead of November midterms | South China Morning Post
![A man wirelessly controls a toy car equipped with a simplified and miniaturized real-car network during the Def Con hacker convention in Las Vegas, Nevada, U.S. on July 29, 2017. REUTERS/Steve Marcus A man wirelessly controls a toy car equipped with a simplified and miniaturized real-car network during the Def Con hacker convention in Las Vegas, Nevada, U.S. on July 29, 2017. REUTERS/Steve Marcus](https://c8.alamy.com/comp/2CNCBR6/a-man-wirelessly-controls-a-toy-car-equipped-with-a-simplified-and-miniaturized-real-car-network-during-the-def-con-hacker-convention-in-las-vegas-nevada-us-on-july-29-2017-reuterssteve-marcus-2CNCBR6.jpg)