Description: Java runtime environment security refers to the measures and practices implemented to protect Java applications and their runtime environment from various threats. This approach is fundamental in a context where applications are deployed in multiple environments, including cloud and microservices architectures. Security in the Java runtime environment encompasses permission management, input validation, protection against injection attacks, and the implementation of access policies that ensure only authorized users and services can interact with applications. Additionally, it focuses on protecting sensitive data and preventing vulnerabilities that could be exploited by attackers. In a world where security breaches are increasingly common, Java runtime environment security becomes an essential pillar for ensuring the integrity and availability of applications. Adopting a Zero Trust approach in cloud environments means that no user or device, whether internal or external, should be trusted without proper verification. This translates into implementing strict access controls and continuously monitoring activities within the runtime environment, ensuring that any anomalies are detected and addressed immediately.