Hands-On Artificial Intelligence for Cybersecurity

Gaussian anomaly detection

One of the most widespread approaches for detecting regularity within data distribution makes use of the Gaussian distribution of probabilities.

As we shall see, this statistical distribution presents a series of interesting characteristics that help to adequately model many natural, social, and economic phenomena.

Obviously, not all the phenomena under investigation can be represented by the Gaussian distribution (very often, as we have seen, the underlying distribution of the analyzed phenomena is unknown); however, it constitutes a reliable reference point in many cases of anomaly detection.

Therefore, we must see the characteristics of the Gaussian distribution in order to understand why it is frequently used. ...