<![CDATA[Decentralized public sector information systems frequently exhibit operational vulnerabilities due to fragmented IT governance practices, undermining data reliability and public service delivery. This study evaluates the governance maturity of a Public Data Dissemination Platform operated by a regional statistical office to establish a standardized capability baseline. Employing a descriptive quantitative design, the research applies the COBIT 2019 framework across the Deliver, Service, and Support (DSS) and Monitor, Evaluate, and Assess (MEA) domains. Data were collected through semi-structured interviews, system observation, and archival documentation, then quantified using CMMI-aligned capability scoring and calibrated gap analysis. Empirical findings reveal that both domains operate at Level 1 (Performed Process), with aggregate scores of 1.16 for DSS and 0.75 for MEA. The most critical deficiencies occur in incident management (DSS02, Gap = 3) and external compliance monitoring (MEA03, Gap = 3), while assurance mechanisms (MEA04) remain entirely unestablished at Level 0. These results indicate that current operations rely on ad hoc procedures rather than standardized controls. Consequently, the study provides a phased remediation roadmap prioritizing formal documentation, structured service tracking, and independent evaluation functions. The framework offers a replicable diagnostic model for subnational agencies seeking to transition from reactive maintenance to predictable, audit-ready IT governance.]]>
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