Data preprocessing is widely recognized as an important stage in anomaly detection. This
paper reviews the data preprocessing techniques used by anomaly-based network intrusion …

Most of the security threats in various communications networks are posed by the illegitimate
entities that enter or intrude within the network perimeter, which could commonly be termed …

Ever growing Internet causes the availability of information. However, it also provides a
suitable space for malicious activities, so security is crucial in this virtual environment. The …

Network security remains a critical concern in modern computing systems due to the
constant emergence of threats and attacks. This paper introduces a comprehensive …

Taking into account the accelerated rate of network growth, the occurrence of anomalies
becomes inevitable. A single anomaly can affect the network performance so it is crucial to …

The prevalence of the Internet and cloud-based applications, alongside the technological
evolution of smartphones, tablets and smartwatches, has resulted in users relying upon …

Using traditional methods based on detection rules written by human security experts
presents significant challenges for the accurate detection of network threats, which are …

Software-Defined Networks (SDN) are becoming a trending network technology in the
modern Internet by splitting control and data planes and using a central controller. An SDN …

Flow-based DDoS attack detection is typically performed by analysis applications that are
installed on or close to a flow collector. Although this approach allows for easy deployment …

Denial of Service attacks remain one of the most serious threats to the Internet nowadays. In
this study, we propose an algorithm for detection of Denial of Service attacks that utilize …