Dr. A. Shaji George, Dr. T. Baskar and Dr. M. M. Karthikeyan 2026. Cloud Security Architecture: A Comprehensive Guide to Zero Trust, Governance, and Operational Resilience. Partners Universal International Innovation Journal. 4, 2 (Apr. 2026), 44–69. DOI:https://doi.org/10.5281/zenodo.19551592 .