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Cloud infrastructure architecture and the zero trust model as a cybersecurity strategy

Since the emergence of the internet, the vertiginous growth in the use of electronic media has grown in the same proportion as cyber crimes, applied in an increasingly sophisticated way. In addition to these two factors that impact the use of the internet, the speed with which the resources and tools inherent in the area of Information and Communication Technology (ICTs) evolve, which enhance the need to continuously develop and improve the means for the protection of sensitive data of people and public and private organizations. In this perspective, Cloud Computing emerges, which allows the storage of data, networks and applications, and other resources through integrated environments through the internet, from collective providers, as opposed to the on-premise system, which is based on the custody and access through local servers, including mainframes, which are still maintained in most large organizations, such as the banking system, for example. Added to Cloud Computing are Zero Trust practices, whose main innovation is the adoption of several layers of access verification. This article was prepared using bibliographical research as a methodology. The question that arises on the subject is: how does Zero Trust provide greater security to network users? The objective is to demonstrate the advantages of security provided by Zero Trust, combined with Cloud Computing. In view of the analyzed literature, it was possible to conclude the existence of two main aspects brought by Zero Trust: internet user access only from 7 layers of verification, and the mitigation of vulnerabilities, including the idea of responsible browsing by different users.