June 20, 2021


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Bayesian Models Applied to Cyber Security Anomaly Detection Problems. (arXiv:2003.10360v4 [cs.CR] UPDATED)

Cyber security is an important concern for all individuals, organisations and
governments globally. Cyber attacks have become more sophisticated, frequent
and dangerous than ever, and traditional anomaly detection methods have been
proved to be less effective when dealing with these new classes of cyber
threats. In order to address this, both classical and Bayesian models offer a
valid and innovative alternative to the traditional signature-based methods,
motivating the increasing interest in statistical research that it has been
observed in recent years. In this review we provide a description of some
typical cyber security challenges, typical types of data and statistical
methods, paying special attention to Bayesian approaches for these problems.