A novel AES–DES with improved Cheetah optimisation algorithm for secured medical data transmission in cloud environment. - Joel, Gunde; Manikanta Kasyap, Chaturvedula V. Narasimha; Sidiq, Shaik Abubakar; Riyaz, Jammimanu; Santhi Sri, T.; Sreedevi, Pogula (Journal of Medical Engineering & Technology, 2024)