Sari, M. ., Sadikin, N. ., & 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), 656-670. https://doi.org/10.59395/ijadis.v7i2.1545