Analysis of the recently-emerged Entropy ransomware reveals code-level similarities with the general purpose Dridex malware that started as a banking trojan. Two Entropy ransomware attacks against ...

Complex time series arise in domains as diverse as mechanical engineering, power systems and biomedical monitoring. Entropy analysis provides quantitative measures of unpredictability and complexity ...

VLC, also called entropy coding, is a technique whereby each event is assigned a code that may have a different number of bits. To obtain compression, short codes are assigned to frequently occurring ...

In this chapter we review some of the basic principles used in MPEG coding. We use this chapter to introduce some of the terminology used throughout the book, but our treatment here is necessarily ...