Cox Media Group promotes Brad Smith to CFO ... Benchmark Space Systems, space mobility integrator, appoints Chuck Bush, previously Champlain College visiting professor, as CFO ... Aldo Pietropaolo, ex-SGNL, joins identity service company Strata Identity as field chief technology officer ... NetSecurity appoints Mike Hayes, ex-Defense Counterintelligence and Security Agency, as senior vice president-strategy and business development, and Olivia Lassiter, ex-Northwestern Mutual, as sales executive-private sector ... Passwordless authentication company Secret Double Octopus appoints Astrix Security’s Timothy Youngblood to board.