The postpandemic reality and the security of information technologies ICT, Big Data, Industry 4.0, social media portals and the Internet

In the period of the current fourth technological revolution, information technologies, ICT and Industry 4.0 are developing particularly fast. During the SARS-CoV-2 (Covid-19) coronavirus pandemic, there has been an increase in the scale of digitization and internationalization of remote communication processes and various aspects of economic activity. Digitization of the economy is currently taking place simultaneously in many areas of economic processes and in the functioning of many economic entities and public, financial and other institutions. Many companies, enterprises and public institutions that previously operated mostly or solely traditionally offline during the pandemic have switched to remote, electronic operation via the Internet. The development of electronic banking is also increasing, including internet and mobile banking. The share of electronic, cashless payments via the Internet and payments with electronic bank cards is increasing. In addition, in recent years, the range of applications of Data Science, Big Data, and Data Analytics technologies in economics, finance and organization management, including enterprises, financial and public institutions, has been increasing. Therefore, the importance of implementing