Hackers gather at Def Con to test voting system vulnerability
04:35
NBC News’ technology correspondent Jacob Ward is live from the Def Con hacking conference in Las Vegas, where attendees are searching for vulnerabilities in voting systems. Correction: A previous version of this video incorrectly stated that Def Con is a government-sponsored hacking conference. It is not affiliated with the government and is an independent event.Aug. 9, 2019
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