This week, former FireEye and McAfee CEO Dave DeWalt joined JASK's board of directors as vice chairman. The leadership news follows the cybersecurity startup's $25 million Series B funding, which closed in June and included participation from DeWalt's investment fund, NightDragon Security. DeWalt, an industry expert, advisor and investor, currently serves as a board member to several well-established companies and high-growth startups like Delta Airlines, ForeScout, DataTribe and Optiv.