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GEGeorge Ezejioforgeorgeezejiofor.comSep 23 · 26 min read

Tekton, Cosign, Kyverno: A Signed CI/CD Supply Chain on RKE2

Introduction The Workshop Where Trust Is Manufactured Here's a confession I'll make out loud: I was running code I'd never read, built by people I've never met, pulled from a registry I don't control—

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GEGeorge Ezejioforgeorgeezejiofor.comSep 13 · 26 min read

Harden & Lockdown RKE2 Cluster with a 4-Layer DevSecOps Stack

Introduction Before you move furniture into a new house, you install the locks, the cameras, and the gates. Kubernetes is no different, yet engineers constantly build clusters inside-out, treating sec

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MRMuhammad Rafaymuhammadrafay.comAug 15 · 9 min read

Production Kubernetes Security: Enforcing Zero Trust with Kyverno & OPA Gatekeeper

Scanning and signing can confirm an image is acceptable, but they don't prevent unsafe images from running. Admission control fills this gap. However, many teams either skip this step or only partiall

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JMJuan Makaujuanmakau.hashnode.devJul 23 · 7 min read

Testing Kyverno Attestation Policies: The Bug That Shipped Twice, and What I Built to Stop a Third

You can write a Kyverno policy, pass kubectl apply --dry-run, get a clean code review, and still ship a policy that admits exactly the images it was supposed to block. Dry-run validates that your YAML

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DSDevarshi Shimpidevarshishimpi.hashnode.devJul 11 · 11 min read

5 Kyverno Policies to Secure Your Kubernetes Cluster

Introduction If you run workloads on Kubernetes, you already know how easy it is for small mistakes to slip into production. A missing resource limit here, a container running as root there, and sudde

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MBMatt Browncloudsecburrito.comJun 4 · 10 min read

Deploying OSS Kubernetes Security Console

The first post laid out the idea: Kubernetes security tools already produce a lot of useful data, but most of it lands in separate places. Trivy Operator writes vulnerability and configuration finding

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MBMatt Browncloudsecburrito.comMay 28 · 12 min read

Building an OSS Kubernetes Security Console with MCP

A single Kubernetes security finding is rarely the whole story. That is true whether the signal comes from runtime detection, vulnerability scanning, posture assessment, or admission control. “Shell

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IPIvan Portatodea.hashnode.devMay 6 · 7 min read

Kyverno Explained: Why Modern Platforms Need Policy-as-Code

Running pods as root. Deploying images with the latest tag everywhere, unpinned, unsigned, and not traced to a digest. Relying on a Bash script to bootstrap new namespaces with default NetworkPolicies

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AVAnant Vaidtechtalkswithanant.hashnode.devJan 26 · 6 min read

Zero Trust Security in Kubernetes: Kyverno & Istio Ambient

Subtitle: How we transformed a GKE cluster from a "Development Playground" into a "Zero Trust Fortress" using Policy-as-Code and Sidecar-less Mesh. Introduction: The Missing Layer Welcome back to the Building a Production-Grade SRE Platform on Kubern...

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MRMahmoud Rashedblog.mrashed.comJan 23 · 8 min read

The "No" Button: Stopping Bad Configs Before They Wake You Up at 3 AM

You get a Slack message at 8 PM. A critical production service is down. After an hour of frantic debugging, you find the cause: a developer deployed a new version without resource limits, and the pod went rogue, triggering a cascading failure. We've ...

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#kyverno

Explore Hashnode

Trending tags this week

Tekton, Cosign, Kyverno: A Signed CI/CD Supply Chain on RKE2

Harden & Lockdown RKE2 Cluster with a 4-Layer DevSecOps Stack

Production Kubernetes Security: Enforcing Zero Trust with Kyverno & OPA Gatekeeper

Testing Kyverno Attestation Policies: The Bug That Shipped Twice, and What I Built to Stop a Third

5 Kyverno Policies to Secure Your Kubernetes Cluster

Deploying OSS Kubernetes Security Console

Building an OSS Kubernetes Security Console with MCP

Kyverno Explained: Why Modern Platforms Need Policy-as-Code

Zero Trust Security in Kubernetes: Kyverno & Istio Ambient

The "No" Button: Stopping Bad Configs Before They Wake You Up at 3 AM