Top Defense Department officials say their forthcoming zero-trust strategy will represent a "new and different" approach that comes as the Pentagon works to implement a "targeted" enterprise-wide security framework within the next five years. That zero-trust strategy, which builds off of DOD’s initial transition efforts through the previously released reference architecture , aims to go beyond the seven pillars laid out in that earlier framework through the creation of tiers defined by a required capability set. Specifically, Pentagon cyber chief...