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July 26, 2016

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Quan Ngo, center, an information technology research analyst from Canada, takes a selfie with Rocky Fain, left, and John Cook at the Securonix booth during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center Aug. 6, 2014.

Steve Marcus

Quan Ngo, center, an information technology research analyst from Canada, takes a selfie with Rocky Fain, left, and John Cook at the Securonix booth during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center Aug. 6, 2014.