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190927 https://hdl.handle.net/2286/R.2.N.190927 http://rightsstatements.org/vocab/InC/1.0/ All Rights Reserved 2023 68 pages Masters Thesis Academic theses Text eng Gianchandani, Siddharth Yau, Stephen Zhao, Ming Lee, Kookjin Arizona State University Partial requirement for: M.S., Arizona State University, 2023 Field of study: Computer Science The advancement of cloud technology has impacted society positively in a number of ways, but it has also led to an increase in threats that target private information available on cloud systems. Intrusion prevention systems play a crucial role in protecting cloud systems from such threats. In this thesis, an intrusion prevention approach todetect and prevent such threats in real-time is proposed. This approach is designed for network-based intrusion prevention systems and leverages the power of supervised machine learning with Extreme Gradient Boosting (XGBoost) and Long Short-Term Memory (LSTM) algorithms, to analyze the flow of each packet that is sent to a cloud system through the network. The innovations of this thesis include developing a custom LSTM architecture, using this architecture to train a LSTM model to identify attacks and using TCP reset functionality to prevent attacks for cloud systems. The aim of this thesis is to provide a framework for an Intrusion Prevention System. Based on simulations and experimental results with the NF-UQ-NIDS-v2 dataset, the proposed system is accurate, fast, scalable and has a low rate of false positives, making it suitable for real world applications. Computer Science Attack Prevention Intrusion Prevention Systems Network Attack A Network-Based Intrusion Prevention Approach for Cloud Systems Using XGBoost and LSTM Models