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Kubesploit
@kubesploit.io
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News and links on Kubernetes security curated by the @Learnk8s.io team More K8s news, events, jobs → https://kube.today
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The kube-rbac-proxy is an HTTP proxy for a single upstream, that can perform RBAC authorization against the Kubernetes API using `SubjectAccessReview`

https://ku.bz/pQqpkgLM7
Reposted by Kubesploit
Mai Nishitani, Director of Enterprise Architecture at NTT Data demonstrates how Model Context Protocol (MCP) enables Claude to directly interact with Kubernetes clusters through natural language commands

https://ku.bz/3hWvQjXxp

🌟 Testkube
🎙 🎙Bart
This case study describes how the author’s EKS cluster autoscaler broke after migrating to Amazon’s AL2023 image and how they resolved it by switching to IRSA (IAM Roles for Service Accounts) and adjusting permissions

https://ku.bz/PzHb6bP62
Reposted by Kubesploit
The Making of Flux Ep 4: The Platform Builders 🏗️

GitLab, Microsoft & Mirantis reveal why they're embedding Flux into their platforms, from Azure Arc's managed service to Cordant's multi-cluster vision

https://ku.bz/tVqKwNYQH

🌟 ControlPlane
🎙 🎙Bart
This tutorial explains Kubernetes authentication (“who you are”) and authorization (“what you can do”) workflows

It shows how to issue user certificates, create a CertificateSigningRequest, approve it, and bind RBAC roles

https://ku.bz/mN0GKSR_c
Blixt is an early-stage, sandbox-only Layer 4 load balancer project written in Rust

It integrates eBPF via Aya and manages routing logic via Kube-RS

It supports Gateway API objects like TCPRoute and UDPRoute, with KIND-based local testing only

https://ku.bz/1cZxMK7Ck
cnquery is a command-line tool that lets you inspect and query your cloud, Kubernetes, and servers from one place

https://ku.bz/Jml2KcQ-N
KubeLinter is a static analysis tool that checks Kubernetes YAML files and Helm charts to ensure that applications adhere to best practices

https://ku.bz/yCpPFTs73
This article explains the governance differences between AWS Config and Kubernetes native policy engines and their complementary roles in cloud environments

https://ku.bz/ttgXTYdrZ
Reposted by Kubesploit
🗣️ Jim Bugwadia, Co-Founder & CEO @ Nirmata, explains how to transform security compliance from a boring obligation into an exciting part of engineering culture

Watch: https://ku.bz/hYZXTmPV9
Reposted by Kubesploit
This article shows how to build enterprise-level secret management in an MLOps setup using tools like Sealed Secrets, Git encryption, and clear team boundaries for secure, scalable credential handling

https://ku.bz/2Dlnrr0W7
kps-zeroexposure is a helm chart that fixes unhealthy or missing control-plane metrics targets in `kube-prometheus-stack` by deploying a secure Prometheus Agent as a DaemonSet

https://ku.bz/jtT5DjB6h
Reposted by Kubesploit
This week on the Learn Kubernetes Weekly:

🌍 Envs vs Clusters
🧩 Image Compatibility
🔁 Terraform → Crossplane
📊 Kube-State-Metrics
⚙️ Local Dev on K8s

⭐️ Testkube

Read it now: https://kube.today/issues/153
This project provides a RESTful API interface over the Bitwarden Rust SDK to enable the External Secrets Operator to fetch vault secrets securely

https://ku.bz/t-WF03pc3
Reposted by Kubesploit
Project Quay runs as a service inside or outside Kubernetes, storing images in S3 or local storage

It scans images for vulnerabilities with Clair, supports image signing, and enforces repository access and security policies via webhooks and RBAC

https://ku.bz/mXXL2JPl4
Reposted by Kubesploit
🗣️ Niels Claeys shares how his team built a data platform processing up to 1.5 million core hours monthly and the specific optimizations they discovered: from scheduler changes to spot instance usage

https://ku.bz/hGRfkzDJW

🌟 Testkube
🎙 🎙Bart
Reposted by Kubesploit
🍽️ Platform Engineering eating DevOps' lunch?

We analyzed 509 Kubernetes jobs in Q3 2025:

💰 Avg salary: $177,983 (NA) / €92,113 (EU)
🏠 67% remote… but only 0.29% truly location-free

Full report: https://kube.careers/state-of-kubernetes-jobs-2025-q3

⭐️ LearnKube
Reposted by Kubesploit
🗣️ The Making of Flux Episode 3 is here!

From hitting the "scaling wall" to operational excellence—Philippe (Orange) and Arnab (Nomura) share how they transformed their Kubernetes operations with GitOps

https://ku.bz/tWcHlJm7M

🌟 ControlPlane
🎙 🎙Bart
This article explains how to configure Istio to observe encrypted and unencrypted egress traffic in Kubernetes using TLS termination, origination, and certificate management

https://ku.bz/rc3DypN0f
kubeseal-convert is a tool for importing secrets from pre-existing secrets management systems (e.g. Vault, Secrets Manager) into a SealedSecret

https://ku.bz/fQPD8MvbX
This article explains how to configure Kubernetes SecurityContext settings at the pod and container levels to enforce security policies like non-root execution, volume permissions, and Linux capabilities

https://ku.bz/nJ8Zkh6x9
This repo demonstrates CVE-2024-0132, a container escape in NVIDIA Container Toolkit

It swaps directory contents during validation, causing the toolkit to mount the entire host filesystem into the container instead of just a library file

https://ku.bz/0Z5QPQl_N
Reposted by Kubesploit
KubeFM @kube.fm · 12d
🗣️ Andrei Kvapil explains strategies using pull request models for real-time inspection and control

Watch: https://ku.bz/0mvh5s4Ld
This tutorial sets up Vault's database secrets engine in AKS to generate short-lived Postgres credentials on demand, using ExternalSecrets and VaultDynamicSecret to sync them into native Kubernetes Secrets

https://ku.bz/MbNs69CsB