Narayana Rajasekhar Vemburaj. “Beyond Deletion Protection: A Recoverability-Tiered Defense Against Accidental and Adversarial Data Loss in Public Cloud”. International Journal of Intelligent Systems and Applications in Engineering 9, no. 4 (October 31, 2021): 554 –. Accessed October 22, 2026. https://ijisae.org/index.php/IJISAE/article/view/8570.