How do you secure cloud-native applications in a hybrid cloud environment?

A hybrid cloud environment integrates private and public cloud resources, and cloud-native applications are based on containerization and microservice architectures. Protecting these applications is crucial for ensuring data privacy, compliance, and business continuity, especially applicable to modern enterprise scenarios with cross-multi-cloud deployments such as e-commerce or financial services.

Core protection components include zero-trust architecture, service meshes (e.g., Istio) for communication encryption, Kubernetes RBAC and network policies for access control, and secrets management tools like HashiCorp Vault. Through a unified security framework, the attack surface is reduced and cross-cloud resilience is enhanced, such as securely handling sensitive data transactions in a microservice environment.

Implementation steps: 1. Adopt a zero-trust model to verify all access requests; 2. Deploy a service mesh for microservice-level security isolation; 3. Apply Kubernetes policies (e.g., Pod Security Standards); 4. Integrate on-premises and cloud security monitoring tools. This process strengthens compliance, reduces vulnerability risks, and supports secure business scaling.