WASHINGTON — An addendum to the Pentagon’s zero-trust strategy, published in late November, is now in the works, following a meeting of the U.S. and some of its closest intelligence-sharing allies. A three-day event at Fort Meade, Maryland, home to the Defense Information Systems Agency and U.S. Cyber Command, drew representatives from the Department of Defense and Five Eyes partners Australia, Canada, New Zealand and the U.K. The topic: zero trust, a new paradigm that assumes networks are