TIM-8410: Cloud Computing

Gupta, H., & Kumar, D. (2019). Security threats in cloud computing. International Conference on Intelligent Computing and Control Systems (ICCS), 1158–1162.
This paper provides a good discussion on the threat relating to cloud computing.

Rizwan, S., & Zubair, M. (2019). Basic security challenges in cloud computing. 2019 4th International Conference on Emerging Trends in Engineering, Sciences and Technology (ICEEST), 1–4.
This paper is a good resource to understand the basic challenges in securing the cloud.