Zero Trust Network Security Model in Containerized Environments
Alessio Dongiovanni
Zero Trust Network Security Model in Containerized Environments.
Rel. Cataldo Basile. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Informatica (Computer Engineering), 2024
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Abstract
The impact of cloud computing and today's business needs to be responsive and able to manage and scale increasingly complex workloads have led to the development of new cloud-native models and technologies such as microservices, containers, and orchestrators. Modern applications are built on a microservices architecture, consisting of hundreds of small services that cooperate to form a meaningful application, gaining greater efficiency in their development, maintenance, and scalability. Containers are an emerging lightweight virtualization technology adopted to encapsulate and run applications and their dependencies, improving scalability, resource consumption, and portability across different platforms. However, enterprise infrastructures where services and data reside, are becoming increasingly complex, often consisting of a combination of multiple internal networks, remote offices, mobile devices, and cloud services.
This has rendered traditional perimeter-based network security solutions focused on north-south traffic inadequate, as there is no single, easily identifiable perimeter for the company, and, moreover, once attackers breach the perimeter, no further lateral movement is prevented
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