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Techluminate
Cloud & DevOps TL-CLD-104

Kubernetes Cluster Hardening Sprint

A hardening sprint that closes the default security gaps in a running cluster: network policy, RBAC, resource limits, secrets and image provenance.

Timeline
15 working days
Deliverables
7 listed
Practice
Cloud & DevOps
Fixed fee
₹34,999
01Overview

What this engagement delivers

A cluster that runs is not necessarily a cluster that is secure. By default, every pod can reach every other pod, containers run as root, workloads have no resource limits and secrets sit base64-encoded in etcd. We work through your running EKS, AKS or GKE cluster and close those gaps without taking workloads offline. Every change lands as a manifest in your repository, so the hardened state is reviewable and reproducible.

02Deliverables 7 items

What you receive

  1. Default-deny network policies with explicit allow rules per namespace
  2. RBAC review with service accounts scoped to what each workload needs
  3. Pod security standards enforced, including non-root and read-only filesystems
  4. CPU and memory requests and limits set from observed usage
  5. Secrets moved to AWS Secrets Manager or External Secrets Operator
  6. Image scanning in the pipeline with a policy on critical findings
  7. Findings report with residual risks and what we deliberately left alone
03Process

How the work runs, in 4 stages

  1. Stage 1: Baseline

    We run kube-bench and a manual review against CIS benchmarks

  2. Stage 2: Prioritise

    Findings ranked by exploitability and blast radius

  3. Stage 3: Remediate

    Changes applied namespace by namespace, staging before production

  4. Stage 4: Verify

    Re-scan, confirm workloads healthy, and hand over the manifests

04Fit & inputs

Who it suits, and what we need from you

Ideal for

  • Clusters set up quickly during a migration and never revisited
  • Teams facing a security questionnaire from an enterprise customer
  • Platforms where one compromised pod could reach the database

What we need from you

  • Cluster admin access and a staging cluster that resembles production
  • Owners for each workload, for the questions we will have about traffic
  • A change window for the network policy cutover

You provide these through the technical brief in your dashboard after checkout.

05Benefits

What changes for your team

  • 01

    A compromised container can no longer move freely across the cluster

  • 02

    Resource-hungry workloads stop starving their neighbours of CPU and memory

  • 03

    Documented evidence you can share during a customer security review

06FAQ

Questions about this engagement

We map real traffic before enforcing anything and roll policies out in audit mode first, so issues surface in staging rather than in production.

For verification, yes, with an account you create and revoke afterwards. All changes are reviewed by you first.

No, but self-managed control planes add scope. Tell us what you run before ordering.

This is a remote engineering engagement — nothing is shipped physically. Work is delivered into systems you control. See delivery & handover and refunds & cancellation for the full terms.

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Next step

Bring the problem. Leave with a defined plan.

Pick the engagement that matches what you need, or tell us about the system you are working on and we will point you to the right starting place.