Bai, Jingwen, Siyu Chen, Daren Zheng, and Meng-Ju Kuo. “Interpretable Attack-Chain Stage Detection from AWS CloudTrail Event Sequences via Linear Models and HMM Smoothing”. Informatics, Electrical and Electronics Engineering (Infotron) 6, no. 1 (May 31, 2026): 28-43. https://doi.org/10.33474/infotron.v6i1.24923.