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3. Cost of Cybercrime Study in Financial Services: Report (2019). www.slideshare.net/accenture/cost-of-cybercrime-study-in-financial-services-2019-report;
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5. Federal Office for Information Security, Republic of France (2021). Fourth edition of the Franco-German Common Situational Picture. https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/D-F_Reports/Common_Situational_Picture_2021.pdf?_blob=publicationFile&v=3;