Duvvur, V. 2023. Securing Modernization: Integrating Cybersecurity by Design in Legacy System Upgrades. International Journal of Artificial Intelligence, Data Science, and Machine Learning. 4, 4 (Dec. 2023), 29–35. DOI:https://doi.org/10.63282/3050-9262.IJAIDSML-V4I4P104.