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Overview Amazon Elastic Kubernetes Service (EKS) simplifies deploying and managing containerized applications on AWS. While AWS manages the Kubernetes control plane, the security of the underlying worker nodes—the EC2 instances running your workloads—remains your responsibility. A common and critical misconfiguration is enabling direct remote access (SSH) to these node groups. Historically, SSH was a standard […]

Overview In Amazon Elastic Kubernetes Service (EKS), the way containerized applications communicate is foundational to their performance and reliability. This networking layer depends on the Amazon VPC Container Network Interface (CNI) plugin, which dynamically allocates IP addresses to pods. For the CNI plugin to function, it needs specific permissions to interact with the underlying AWS […]

Overview Amazon Elastic Kubernetes Service (EKS) simplifies running Kubernetes on AWS, but its security and operational integrity depend on correctly configured Identity and Access Management (IAM) roles. The EKS control plane requires specific permissions to manage underlying AWS resources like EC2 instances and Load Balancers on your behalf. To facilitate this, AWS provides a managed […]

Overview In any Amazon Elastic Kubernetes Service (EKS) environment, the CoreDNS add-on is a critical component responsible for service discovery and DNS resolution. It acts as the central nervous system for your containerized applications, enabling microservices to communicate effectively. However, a common and dangerous form of configuration drift occurs when teams upgrade their EKS control […]

Overview Amazon Elastic Kubernetes Service (EKS) provides a managed Kubernetes control plane, simplifying cluster operations on AWS. While AWS handles the availability and maintenance of the underlying infrastructure, the responsibility for securing and monitoring the interactions with that control plane remains firmly with the customer. This shared responsibility model creates a critical need for visibility. […]