Premanand Narasimhan, and Dr.N.Kala. “A Study of Cyber-Attacks on Healthcare Sector in the US During Covid-19 and Post Covid-19 Periods: Some Lessons Learnt”. International Journal of Scientific Research in Computer Science, Engineering and Information Technology 10, no. 6 (December 12, 2024): 2409–2423. Accessed August 4, 2025. https://ijsrcseit.com/index.php/home/article/view/CSEIT2410612441.