“…In this work, we focus on anomaly detection in HIDS using statistical analysis. Although many work have been done in the statistical-based anomaly detection, such as (Mahoney, 2001, Solahuddin, 2008, Lee, 2008, Rehman, 2012, Yingbing, 2012, Carlos, 2012& Xiong, 2013 and many more, increasing the attack detection rate is still a significant research issue especially with the excessive increase of numerous intrusions over the past decades.…”