Information Security Risks And Preventive Measures Of Supply Chain Financial Under The Background Of Big Data

With the transformation and upgrading of Chinese economic structure,finance,as an important field related to the progress of a country,has always played an important role in the economy.The sudden outbreak of COVID-19 in 2020 cast a shadow over the global economy.Many small businesses have been get seriously injured by the scourge.In this context,supply chain finance has received renewed attention due to its inclusiveness.In the era of big data,financial services are more and more closely integrated with the computer science,and more and more data are obtained from various participants in supply chain financial activities.The transmission and storage of these data have become A big question.Information security risks are becoming more and more serious.This paper is based on the appropriate books of supply chain finance research by inside and external scholars.The connotation of supply chain financial information security is visually displayed from the three dimensions of environment,logic and organization.The three-dimensional structure model is established,According to the three-dimensional structural model and literature data,the effect factors are summarized,and then the key effect factors are identified through the Delphi method and DEMATEL method,and the correlation between the influencing factors is analyzed through the centrality,causality and causality diagram relation.After research,it has been shown that the independently controllable of core technology equipment,operational errors,and data encryption and auditing are the key influencing factors of supply chain financial information security risks.Finally,combined with the background of Big Data,the preventive measures of supply chain financial information security risk are proposed to provide reference for successor.Firstly,this paper acquaint with the research circumstances and meaning.Then the author finishing literature of inside and external scholars related to supply chain finance,big data and information security,and summarizes the information security risk connotation of supply chain finance,big data related theories,information security risk assessment process and methods and supply chain finance according to literature.Identification and assessment of information security risks.Secondly,according to the literature,the construction principle of the risk factor framework of supply chain financial information security was clarified,and the three-dimensional structure framework of the risk factors of supply chain financial information security risk was established.According to the framework and expert interview data,the influencing factor system was initially established,and the influencing factors were repeatedly supplemented and revised according to the opinions of experts,and finally the influence factor system of supply chain financial information security risk was obtained.Thirdly,this paper obtains the evaluation form of the strong and weak relationship among the influencing factors by experts through the questionnaire survey method,and uses the DEMATEL method and the SPSS to obtain the direct influence matrix and the comprehensive influence matrix.Through matrix analysis,the centrality,cause,influence and influence of each influencing factor are obtained,and a causal relationship diagram is drawn,and the key factors affecting the financial information security risk of the supply chain are finally identified.Finally,according to the identified key influencing factors.Combine the Big Data and current situation of supply chain financial information security risk.Improve information security management system and personnel training system,speed up the process of autonomous supply chain finance core equipment,and strengthen preventive measures to protect important systems and data,so as to improve the supply chain.The ability to deal with the risk of chain financial information security.