Sari, M. , Sadikin, N. and Chan, A.S. (2026) “Network Traffic Anomaly Detection for Server Security Using a Hybrid CNN–BiLSTM and LightGBM Optimized by Whale Optimization Algorithm”, International Journal of Advances in Data and Information Systems, 7(2), pp. 656–670. doi:10.59395/ijadis.v7i2.1545.