Palani , S. ., and K. . Rameshbabu. “An Efficient Water Marking and Intrusion Detection System Framework for Insider Attack Detection in Cloud Based E-Healthcare Data Management”. International Journal of Intelligent Systems and Applications in Engineering, vol. 11, no. 9s, July 2023, pp. 429-43, https://ijisae.org/index.php/IJISAE/article/view/3133.