In military operations, solving for reliable security at the tactical edge requires identity systems to remain responsive and operational in disrupted, degraded, intermittent, and low-bandwidth (DDIL) scenarios. Identity systems must continue to operate the same in theater whether or not connectivity to the home base is available. However, one does not need to be in the military to recognize the potential value of replicating these deployment patterns for OT. A DDIL-capable identity architecture ensures robust industrial operations and security regardless the connectivity status of the factory floor. In this talk Jon Lehtinen will walk through the components, architecture, use cases, and operation of a DDIL identity system to show how solving for DDIL scenarios can keep your staff, OT, and IT functional even if you lose the connection to the outside world.