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Abstract: An effective strategy for managing the national information security with capabilities to resist information threats significantly impacts its further development. This study aims to assess the level of threat to the information security of countries based on the integral index. It is proposed to use five indicators characterizing individual areas of information security and 37 world development indicators, selected from the World Bank database. Correlation analysis selected 12 out of 37 development indicators relevant to security indicators for which the correlation coefficient exceeded 0.5 or –0.5. The Harrington-Mencher function is proposed to determine the information security threat index. Nonlinear normalization was carried out to bring the initial data to a comparable measurement. Canonical analysis was performed to determine the indicator weights. The data from 159 countries were taken for 2018 to assess the index. The result was presented on the map showing countries’ distribution by the information security threat index, thus forming five groups. The group with a “very well” resistance to threats includes economically developed countries with a high level of information security. The “well” group was formed by new industrial and developing countries with economic potential sufficient to prevent information threats and combat their consequences. The information security level in developing countries, where the results of overcoming information threats will affect the economic sphere, is defined as “acceptable”. Countries with a low level of development and information security formed groups designated as “bad” and “very bad”, which indicates a high level of threats to their information security. AcknowledgmentThis work is carried out with in the tax payer – funded researches: No. 0118U003574 “Cybersecurity in the banking fraud enforcement: protection of financial service consumers and the financial and economic security growth in Ukraine”.

Abstract: In practice, there is a massive time lag between data loss and its cause identification. The existing techniques perform it comprehensively, but they consume too much time, so there is a need for fast and reliable methods. The article’s purpose is to develop a rapid methodology to assess the risk of information and knowledge loss management. It provides the implementation of eight steps and combines a risk mapping method modified by assessments based on risk factors and incidents as elements from set theory and using formalization via binary estimates. The methodology includes five significant events caused by the company staff, technical problems, software, cybercriminals, viral attacks, and 66 factors influencing company incidents. As a result, a risk map of 9 groups was built for a Ukrainian enterprise. Only two groups with the minimum number of incidents and low losses are represented by all five incidents. The defined overall level of each risk group ranges from 0.14 to 0.26, which indicates a low probability of all happenings in the group. In general, the resulting map shows the existence of specific security problems of the company under investigation. The proposed assessment allows us to interpret the level of risk in the company quickly, identify weaknesses in the information security system, and predict future losses.

Abstract: In the modern world, the volume of cybercrime is overgrowing. This is a consequence of the mass automation of various society's spheres. Therefore, there is an urgent problem of timely detection and prevention of cybercrimes, allowing business entities and state authorities to respond quickly to mass threats. Many methods and tools for combating cybercrime are used in practice. Software and cyber-physical complexes based on modern mathematical methods are popular today. Artificial intelligence, neural networks, genetic algorithms, blockchains, robots, etc., have proven to be the most effective. But in our opinion, along with such powerful tools, cybercriminals profiling should also be used.

Abstract: The rapid growth of cyberfraud over the last decade is associated with various factors, such as mass digitalization of different processes in society, business processes automation for economic entities, creation and implementation of smart cities, computerization of government structures, etc. All this created favourable conditions for the development and use of new available computer technologies used by criminals to steal private information, gain access to other people's accounts, change data, damage computer networks and disable information systems. Although the problem of combating cybercrime is not the main one for the world, its solution is essential for society.