Arromdoni, B.H., Nuruzzaman, M.T., ’Uyun, S. and Sugiantoro, B. 2023. Evaluation of the Maturity Level of Information Technology Security Systems Using KAMI Index Version 4.2 (Case Study: Islamic Boarding Schools in Yogyakarta Special Region Province). IJID (International Journal on Informatics for Development). 12, 1 (Jul. 2023), 314–325. DOI:https://doi.org/10.14421/ijid.2023.3987.