Kubesploit

This article has a few tips for hardening your GKE setup:

1. Network policies.
2. Custom service accounts.
3. Workload identities.
4. Pod Security admissions and admission controllers.
5. GKE sandbox.

More: https://medium.com/@pbijjala/considerations-for-hardening-your-gke-a-workload-perceptive-943be26949d2

This week on the Learn Kubernetes Weekly:

🙅‍♀️ Ingress controller in bash
🧐 Pods health checks mystery
8️⃣ Comparing 8 managed Kubernetes providers
🚦 Advancements in traffic engineering
🔗 The problem of state

Read it now: https://learnk8s.io/learn-kubernetes-weekly

The AWS provider for the Secrets Store CSI Driver allows you to fetch secrets from AWS Secrets Manager and AWS Systems Manager Parameter Store, and mount them into Kubernetes pods.

More: https://github.com/aws/secrets-store-csi-driver-provider-aws

open-appsec provides preemptive web app & API threat protection against OWASP-Top-10 and zero-day attacks.

It can be deployed as an add-on to Kubernetes Ingress, NGINX, Envoy and API Gateways.

More: https://github.com/openappsec/openappsec

authentik is an open-source Identity Provider focused on flexibility and versatility.

More: https://github.com/goauthentik/authentik

This blog post describes an attempt to assess the security posture of Kubernetes clusters scattered across the internet, detailing our research methodology, findings and analysis.

More: https://redhuntlabs.com/blog/unsecured-kubernetes-clusters-exposed.html

In this article, you will learn how to manage secrets securely on Kubernetes in the GitOps approach using Sealed Secrets, ArgoCD, and Terraform.

More: https://piotrminkowski.com/2022/12/14/sealed-secrets-on-kubernetes-with-argocd-and-terraform

In this tutorial, you will deploy a vulnerable app to SQL and XSS injections in Kubernetes and learn how to protect it using Pipy and sidecar containers.

More: https://dev.to/flomesh/pipy-protecting-kubernetes-apps-from-sql-injection-xss-attacks-dol

This post discusses using SSO authentication and authorization to secure apps in Kubernetes.

The tutorial uses Dex and Traefik Forward Auth (or Oauth2-Proxy) to add additional security to ingresses or apps that do not support built-in OIDC.

More: https://allanjohn909.medium.com/sso-authentication-for-applications-in-kubernetes-aedc3c189d89

In this article, you will learn how to prevent a Denial-of-Service (DoS) attack in Kubernetes, and how to use cloud-native tools such as Calico and Falco to detect it.

More: https://sysdig.com/blog/denial-of-service-kubernetes-calico-falco

In this article, you will learn how to deploy the same app across multiple Kubernetes clusters with ArgoCD, vcluster and Kyverno.

More: https://piotrminkowski.com/2022/12/09/manage-multiple-kubernetes-clusters-with-argocd

Google Secret Manager Provider for Secret Store CSI Driver allows you to access secrets stored in Secret Manager as files mounted in Kubernetes pods.

More: https://github.com/GoogleCloudPlatform/secrets-store-csi-driver-provider-gcp

This week on the Learn Kubernetes Weekly:

☁️ Using topology aware hints in EKS
👮‍♀️ 12 security scanners for Kubernetes
👻 Temporary environments with ApplicationSet
🦐 oslabs-beta/Palaemon
📦 Endpoints monitoring with blackbox-exporter

Read it now: https://learnk8s.io/learn-kubernetes-weekly

Master Kubernetes with Learnk8s' Advanced Kubernetes workshops!

What should you expect?

- Learn how to architect and design clusters from the ground up (in the cloud or on-prem).
- Explore the Kubernetes internal component and how the system is designed with resiliency in mind.
- Deep-dive into the networking components and observe the packets flowing into the cluster.
- Hands-on labs to test the theory with real-world scenarios!
- And more.

The next course is next week and you can sign up here: https://learnk8s.io/online-advanced-april-2023

In this article, you will have a look at 12 security scanners for Kubernetes.

More: https://towardsdev.com/12-scanners-to-find-security-vulnerabilities-and-misconfigurations-in-kubernetes-332a738d076d

KubeStalk is a tool to discover Kubernetes and related infrastructure based attack surface from a black-box perspective.

More: https://github.com/redhuntlabs/kubestalk

In this tutorial, you will find an example of how to manage secrets on Kubernetes with Pulumi and GitOps using Sealed Secrets and ArgoCD.

More: https://blog.ediri.io/advanced-secret-management-on-kubernetes-with-pulumi-and-gitops-sealed-secrets-controller

In this blog post, you'll learn how to encrypt only specific yaml fields in values.yaml, and how to configure ArgoCD to decrypt these secrets on the fly before installing a Helm release.

More: https://medium.com/@samuelbagattin/partial-helm-values-encryption-using-aws-kms-with-argocd-aca1c0d36323

Learn how to recreate the Kubernetes RBAC authorization model from scratch and practice the relationships between Roles, ServiceAccounts, RoleBindings, etc.

More: https://learnk8s.io/rbac-kubernetes

This week on the Learn Kubernetes Weekly:

⛓ Kubernetes end-to-end chain exploit
♻️ GitOps using Flux and Flagger
🍬 EKS practical tips
🚪 Access Kubernetes from /Proc
🤩 nubenetes/awesome-kubernetes

Read it now: https://learnk8s.io/learn-kubernetes-weekly