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    Wyświetlanie 1-4 z 4
    Tytuł:
    WannaCry Ransomware: Analysis of Infection, Persistence, Recovery Prevention and Propagation Mechanisms
    Autorzy:
    Akbanov, Maxat
    Vassilakis, Vassilios G.
    Logothetis, Michael D.
    Powiązania:
    https://bibliotekanauki.pl/articles/309353.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    dynamic malware analysis
    ransomware
    WannaCry
    Opis:
    In recent years, we have been experiencing fast proliferation of different types of ransomware targeting home users, companies and even critical telecommunications infrastructure elements. Modern day ransomware relies on sophisticated infection, persistence and recovery prevention mechanisms. Some recent examples that received significant attention include WannaCry, Petya and BadRabbit. To design and develop appropriate defense mechanisms, it is important to understand the characteristics and the behavior of different types of ransomware. Dynamic analysis techniques are typically used to achieve that purpose, where the malicious binaries are executed in a controlled environment and are then observed. In this work, the dynamic analysis results focusing on the infamous WannaCry ransomware are presented. In particular, WannaCry is examined, during its execution in a purpose-built virtual lab environment, in order to analyze its infection, persistence, recovery prevention and propagation mechanisms. The results obtained may be used for developing appropriate detection and defense solutions for WannaCry and other ransomware families that exhibit similar behaviors.
    Źródło:
    Journal of Telecommunications and Information Technology; 2019, 1; 113-124
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of COVID-19 pandemic on cybersecurity in electronic banking in Poland
    Autorzy:
    Macierzyński, Wiesław Łukasz
    Boczoń, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/16729748.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    cybersecurity
    cyber threat
    ransomware
    phishing
    smishing
    vishing
    spoofing
    malware
    Opis:
    Purpose: The purpose of the article is to present both theoretical and practical basis for cybersecurity in electronic banking in Poland during the COVID-19 pandemic. During this period a major reorganisation of IT solutions occurred, which allowed to extend the range of online products and services offered both to bank customers and employees. As our life is more and more dependent on digital technologies, cyber attacks have become more costly and more dangerous. Driven by dynamic technological development regulations have changed, which resulted in cybersecurity becoming a key priority in financial institutions. All the more so because the rapid technological development has been followed by more and more advanced techniques used by criminals searching for easy financial profits. Methodology: The paper uses the method of literature review - mostly electronic sources,  descriptive and comparative analyses. Findings: From customers, perspective, the impact of COVID-19 pandemic on cybersecurity in electronic banking in Poland may be recognized as negative. The years 2020-2021 brought a dynamic growth in the number of digital banking customers, especially mobile banking. In those years financial institutions recorded  an enormous increase in online payments, which was the result of strong, forced by the pandemic, surge in sales in E-commerce. At the same time, there was a sharp rise in the crime rate targeted at banks, but most of all, at bank customers. While the security of the very financial institutions remained unthreatened, there was an explosion in the number of cybercrimes  targeted at E-banking users, with the losses giving dozens of millions PLN in total. That is reflected by the data provided by the National Bank of Poland, numerous complaints to the Financial Ombudsman, the Office of Competition and Consumer Protection, as well as the police investigations. Practical implications: The analysis of relations between theoretical and practical bases of cybersecurity in E-banking in Poland during the COVID-19 pandemic is a key factor for financial institutions. Cybercrime undermines customers' trust in E-channels and therefore negatively influences how banks are perceived, the level of the users' activity in digital channels, and consequently, activity and sales in E-channels. Besides the image and financial risks, banks need to take into consideration the increase in reputation, operation and legal risks. On these grounds, it is possible for state organisations and financial institutions to develop professional education concerning cybersecurity, not only for E-banking customers, but for the whole society.
    Źródło:
    Central European Review of Economics & Finance; 2022, 39, 4; 39-55
    2082-8500
    2083-4314
    Pojawia się w:
    Central European Review of Economics & Finance
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Financial, Accounting and Tax Implications of Ransomware Attack
    Finansowe, bilansowe i podatkowe konsekwencje ataku typu ransomware
    Autorzy:
    Krivokapić, Đorđe
    Nikolić, Andrea
    Stefanović, Aleksandra
    Milosavljević, Miloš
    Powiązania:
    https://bibliotekanauki.pl/articles/31348373.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    ransomware
    malware
    payment
    accounting implications
    złośliwe oprogramowanie
    płatność
    konsekwencje bilansowe
    Opis:
    Ransomware is a prime cybersecurity threat at the moment. In this paper we analyze financial implications of ransomware attacks, motivation of the ransomware victim to pay ransom, and legal, accounting and tax implications of such payment. The methodological approach used in the study is a combination of formal-dogmatic method and argumentative literature review. First, we provide an overview of all potential losses which could be incurred by the ransomware attack. Further, we analyze under which conditions is legal to pay any kind of ransom, including cyber ransom, as an organization as well as which other considerations victims should consider when deciding to pay ransom. In that respect we analyze accounting and tax implications of losses inflicted by the ransomware attack, putting special attention to the ransom payments.
    Oprogramowanie typu ransomware jest obecnie istotnym zagrożeniem w zakresie cyberbezpieczeństwa. W niniejszym artykule analizujemy finansowe konsekwencje ataków typu ransomware, a także motywy zapłaty okupu przez ofiarę takiego ataku oraz prawne, bilansowe i podatkowe konsekwencje takiej zapłaty. Podejście metodologiczne zastosowane w pracy stanowi połączenie metody formalno-dogmatycznej z metodą krytyki literatury. Na początku opisujemy wszelkie potencjalne straty, jakie mogą wynikać z ataku ransomware. Następnie poddajemy analizie warunki, w których zapłata przez jednostkę organizacyjną okupu jakiegokolwiek rodzaju, w tym wymuszonego drogą komputerową, jest legalna, a także inne względy, które ofiara musi wziąć pod uwagę, decydując się na zapłatę okupu. W tym zakresie analizujemy bilansowe i podatkowe implikacje strat poniesionych na skutek ataku ransomware, ze szczególnym uwzględnieniem zapłaty okupu.
    Źródło:
    Studia Iuridica Lublinensia; 2023, 32, 1; 191-211
    1731-6375
    Pojawia się w:
    Studia Iuridica Lublinensia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Management system for dynamic analysis of malicious software
    Autorzy:
    Cabaj, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/95041.pdf
    Data publikacji:
    2016
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    malware
    ransomware
    dynamic analysis
    expert system
    malicious software
    system ekspercki
    ochrona antywirusowa
    program antywirusowy
    oprogramowanie złośliwe
    Opis:
    In the recent years, one can observe the increase in the number of malicious software (malware) samples analyzed by the antivirus companies. One explanation is associated with attacker's antivirus systems hider tactic, which modifies hostile programs form, without changing it functionality. In effect, the first step of analysis is associated with the check if a given sample is a new threat or modification of existing. Very often such simple test can be performed automatically by dedicated information system. Paper describes information system, which allows dynamic analysis of malicious sample. Presented system was developed and deployed in the Institute of Computer Science, Warsaw University of Technology. During performed security research concerning ransomware threats system proves its usefulness. Additionally, the system become a knowledge base of known malware recently analyzed by our security team.
    Źródło:
    Information Systems in Management; 2016, 5, 4; 473-480
    2084-5537
    2544-1728
    Pojawia się w:
    Information Systems in Management
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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