This chapter explains the profound implications of digital society on the questions of crime, security, surveillance, and policing. In recent decades, digital technologies brought profound changes to human societies and the way they are governed. The chapter explains that digital processes do more than accelerate the production and availability of information, which highlights the implications of digital society from the abundance of data. The digital revolution has rendered criminological preoccupations more urgent and pressing than ever before. The chapter also provides an overview of the concept of a smart city by considering its criminogenic consequences and its potential for crime prevention and surveillance.