Digital transformation has led to significant improvements in public administration systems. The results of recent research demonstrate undeniable achievements in this field. However, the challenges of rational exchange of information within state administration bodies and their interaction during wartime remain insufficiently considered. This study analyzes the current state of e-government in Ukraine, identifies existing problems, and proposes ways of improving the situation. The methodology is based on qualitative and quantitative analyses. The novelty of this research lies in its methods, which apply a matrix model of data flows. This article offers recommendations for improving e-governance in Ukraine.