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News and links on Kubernetes security curated by the @Learnk8s team Website: https://kubesploit.io/
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| Fecha | Crecimiento de Suscriptores | Menciones | Canales | |
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Publicaciones del Canal
Sealed Secrets Web is a tool that provides a web interface for managing and encrypting sensitive data in Kubernetes using the Sealed Secrets service by Bitnami.
More: https://ku.bz/WS8Y2DHgS
| 2 | ESP Kubernetes Reference Implementation runs compliance scanning in Kubernetes using ESP policies with pull-based agents that execute NIST, CIS, and STIG controls and produce CUI-free attestations forwarded to SIEM or cloud functions.
More: https://ku.bz/z00YcWHVS | 144 |
| 3 | This tutorial shows how to build a hub-style multi-cluster cert-manager control plane where a central hub cluster manages certificate issuance and distribution across multiple spoke clusters using cert-manager and trust-manager.
More: https://ku.bz/LKB8W3PMJ | 478 |
| 4 |  This week on Learn Kubernetes Weekly 186:
🔥 1 Million Tokens Per Second: Qwen 3.5 27B on GKE with B200 GPUs
🤖 How I Built Kernel: An AI-Powered IT Helpdesk That Deflects 80% of Support Tickets
⚙️ Ansible AWX: Infrastructure Automation on Top of Kubernetes
🛡️ I Setup Kubermatic SecureGuard Before It Even Existed
🔐 SRE: Secrets Management in Kubernetes
Read it now: https://kube.today/issues/186
⭐️ This newsletter is brought to you by StormForge by CloudBolt. Stop setting Kubernetes requests. Let ML handle rightsizing https://ku.bz/2wYKp0Q2Y | 103 |
| 5 | This tutorial teaches Kubernetes security testing from an offensive perspective, covering:
- pod compromise detection,
- service account token exploitation,
- RBAC privilege escalation,
- and tools like kubeletctl and peirates.
More: https://ku.bz/gh_lvlX5t | 181 |
| 6 | This article explains how to build a highly available GKE architecture using Multi-Cluster Services and Multi-Cluster Gateway.
It covers subnet naming requirement for cross-regional internal ALBs, cluster setup via Fleet, demo app with request routing.
More: https://ku.bz/7kBX1rFD4 | 211 |
| 7 |  📣 New on LearnKube: "The mechanics of Kubernetes RBAC and how it connects users to permissions."
Kubernetes RBAC can feel confusing because the object names sound broader than the scope they actually grant.
A ClusterRole does not always mean cluster-wide access.
If you bind a ClusterRole with a RoleBinding, the permissions apply only in the namespace where the RoleBinding lives.
The article walks through:
- Why direct user-to-permission mappings do not scale
- how Roles and ClusterRoles group permissions into reusable sets
- how RoleBindings and ClusterRoleBindings connect identities to permissions
- How to test access with kubectl auth can-i
Read the full guide:
https://learnkube.com/rbac-kubernetes | 159 |
| 8 | This tutorial shows how to run Cloudflare Tunnels as a DaemonSet to expose services with zero open inbound ports, using liveness probes, Kubernetes Secrets, and GitOps with ArgoCD.
More: https://ku.bz/RYlKnctWf | 327 |
| 9 |  This article reviews Kubermatic SecureGuard (KubeSG), a Kubernetes-native open source secrets manager built on OpenBao and the External Secrets Operator that automates secret rotation and delivery without app rewrites or proprietary SDKs.
More: https://ku.bz/wD-DcVMBD | 270 |
| 10 |  This article shows how to sign every container image using Cosign keyless signing in GitHub Actions and enforce signatures at pod admission with Kyverno, using the chalk/debug npm attack as the real-world motivation.
More: https://ku.bz/7WkPPBjwH | 237 |
| 11 |  🎙️ What is Brandt Keller bringing to KCD New York?
A practical session on software assurance at scale, why verification material becomes harder to manage across organizational boundaries, and why runtime is where trust and verification matter most.
If you're interested in supply chain security, cloud-native platform engineering, observability, AI-enabled infrastructure, and practical Kubernetes operations, KCD New York is the place to be.
We also have 10 free tickets available. Email hello@kube.events to claim one before they are gone.
Register for KCD New York and claim your spot.
🔗 https://ku.bz/JkjmffBzw | 213 |
| 12 |  This week on Learn Kubernetes Weekly 185:
🔥 A One-Line Kubernetes Fix That Saved 600 Hours a Year
🔐 Why Kubernetes Has No Login — And How We Solved It for AuditRadar
⚙️ Durable Workflows Beyond Vercel: Version-Safe Orchestration for Kubernetes
🧩 The Missing Layers in Your Kubernetes Operator
🚨 Why Your KServe InferenceService Won't Become Ready: Four Production Failures and Fixes
Read it now: https://kube.today/issues/185
⭐️ This issue is brought to you by Qodo, the AI code integrity platform helping teams review, test, and ship reliable infrastructure code faster https://ku.bz/NvLHsnl-6 | 99 |
| 13 | The right AI governance pattern for Kubernetes is not one agent doing everything. It is multiple agents doing specific work well.
Henrik Rexed of Dynatrace says teams should think in terms of specialized review lanes: one AI system for infrastructure-heavy changes, another for observability concerns, and a human reviewer to confirm the final result. That reduces the chance of subtle platform-specific issues being missed by a generic review pass.
Watch the full interview: https://ku.bz/KGQ_b20nQ | 152 |
| 14 | This article explains Kubernetes secrets management from an SRE angle by comparing:
- Sealed Secrets,
- External Secrets Operator,
- and Vault-based approaches with examples.
More: https://ku.bz/l5fy3crYf | 187 |
| 15 | Alessandro Pomponio, Research Software Engineer @ IBM Research, explains his team's strategic approach to selecting open source tools from the CNCF landscape for their research computing platform.
Alessandro details their decision-making process for policy enforcement, comparing Kyverno and Gatekeeper. They ultimately chose Kyverno because it uses YAML and "truly speaks Kubernetes," making it more accessible for researchers who manage clusters as a secondary responsibility rather than their primary job.
Watch the full episode: https://ku.bz/5sK7BFZ-8 | 218 |
| 16 |  This tutorial shows how to set up TLS-terminated ingress on EKS Auto Mode using ACM and an ALB, skipping the traditional AWS Load Balancer Controller installation and OIDC setup.
More: https://ku.bz/sbhYbmWNb | 222 |
| 17 |  🚀 New on LearnKube: “User and workload identities in Kubernetes.”
The Kubernetes API server must identify the caller before it can check permissions.
The article follows that identity through the request path: external users, in-cluster workloads, service account tokens, projected volumes, JWT claims, TokenReview, and AWS IAM federation.
You will learn:
- how authentication differs from authorization
- why human users usually come from OIDC, certificates, webhooks, proxies, or static token files
- how pods authenticate with service accounts
- why TokenRequest and projected volumes replaced automatic long-lived token secrets
- what sub, aud, iss, and exp tell you inside a JWT
- how EKS IRSA uses projected tokens to federate with AWS IAM
- how TokenReview validates Kubernetes-issued tokens inside the cluster
Read the full article:
https://learnkube.com/authentication-kubernetes | 167 |
| 18 | This article explains why vanilla Kubernetes has no real login event and shows a practical session-tracking workaround using credential-id fingerprints from audit logs, with a side-by-side comparison against OpenShift OAuth behavior.
More: https://ku.bz/DxYlmDBjQ | 275 |
| 19 | Agent workloads push Kubernetes beyond the assumptions of the standard container model.
Mauricio Salatino explains why Agent Sandbox is useful as teams start running AI agent code in clusters that need stronger isolation and new primitives for this class of workload.
Watch the full interview: https://ku.bz/QXKc1tBFY | 335 |
| 20 | Harbor is a CNCF-graduated open source container registry that stores, signs, and scans images, with built-in RBAC, LDAP/OIDC support, vulnerability scanning, policy-based replication, and a full REST API.
More: https://ku.bz/GjjZhkvSD | 280 |
