Data as a Service (DaaS) services featuring distributed, cloud-agnostic, multi-publisher data for Network-Centric Security (NCS) mission systems; Data as a Service (DaaS) services featuring distributed, cloud-agnostic, multi-publisher data for Data-Centric Security (DCS) micro-segments, namely micro-segments operating at differing security levels in a Zero Trust Architecture (ZTA) or equivalent environment/data fabric; Computer and software monitoring service which tracks application software performance, performs periodic maintenance and provides reports and alerts concerning such performance; Software monitoring services which track application software performance and application data changes; Software as a Service (SaaS) services which extract, transform, encrypt, wrapper, securely deliver, replicate, deconflict, or update data changes between Data-Centric Security (DCS) micro-segments; Data as a Service (DaaS) services featuring multi-publisher, bi-directional, filtered data replication between micro-segments