The Defense Information Systems Agency's zero-trust security program has kicked off its operational assessment period as officials prepare for a 2023 fielding decision to scale up the capability. The new phase for Thunderdome, which agency spokesman Dillon McConnell told Inside Defense began in late August, is slated to last through the end of the calendar year and see the program through its recently extended pilot timeframe . DISA in July announced its decision to lengthen Booz Allen Hamilton’s initial...