How do I install the Cis K8S V200 2.1 skill?

Run npx skillmds@latest add cyberstrikeus/cis-k8s-v200-2-1 in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Cis K8S V200 2.1 skill do?

Ensure that the --cert-file and --key-file arguments are set as appropriate (Automated) It is listed under DevOps & Infra on SkillMD.

Is Cis K8S V200 2.1 safe to use?

SkillMD's automated safety review verdict for this skill is PASS. Independent scanners report: SkillSpector: CAUTION, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Cis K8S V200 2.1?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Cis K8S V200 2.1 free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Cis K8S V200 2.1?

cyberstrikeus (@cyberstrikeus) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Cis K8S V200 2.1 by cyberstrikeus — Agent Skill

Name: Cis K8S V200 2.1
Author: cyberstrikeus

File contents

CIS Kubernetes Benchmark v2.0.0 - Control 2.1

Profile Applicability

Level: 1 - Master Node

Description

Configure TLS encryption for the etcd service.

Rationale

etcd is a highly-available key value store used by Kubernetes deployments for persistent storage of all of its REST API objects. These objects are sensitive in nature and should be encrypted in transit.

Impact

Client connections only over TLS would be served.

Audit Procedure

Run the following command on the etcd server node:

ps -ef | grep etcd

Verify that the --cert-file and the --key-file arguments are set as appropriate.

Remediation

Follow the etcd service documentation and configure TLS encryption.

Then, edit the etcd pod specification file /etc/kubernetes/manifests/etcd.yaml on the master node and set the below parameters.

--cert-file=</path/to/ca-file>
--key-file=</path/to/key-file>

Default Value

By default, TLS encryption is not set.

References

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	3.11 Encrypt Sensitive Data at RestEncrypt sensitive data at rest on servers, applications, and databases containing sensitive data. Storage-layer encryption, also known as server-side encryption, meets the minimum requirement of this Safeguard. Additional encryption methods may include application-layer encryption, also known as client-side encryption, where access to the data storage device(s) does not permit access to the plain-text data.		●	●
v7	14.4 Encrypt All Sensitive Information in TransitEncrypt all sensitive information in transit.		●	●

Profile

Level 1 - Master Node (Automated)

---name: cis-k8s-v200-2-1description: Ensure that the --cert-file and --key-file arguments are set as appropriate (Automated)---# CIS Kubernetes Benchmark v2.0.0 - Control 2.1## Profile Applicability- **Level:** 1 - Master Node## DescriptionConfigure TLS encryption for the etcd service.## Rationaleetcd is a highly-available key value store used by Kubernetes deployments for persistent storage of all of its REST API objects. These objects are sensitive in nature and should be encrypted in transit.## ImpactClient connections only over TLS would be served.## Audit ProcedureRun the following command on the etcd server node:```bashps -ef | grep etcd```Verify that the `--cert-file` and the `--key-file` arguments are set as appropriate.## RemediationFollow the etcd service documentation and configure TLS encryption.Then, edit the etcd pod specification file `/etc/kubernetes/manifests/etcd.yaml` on the master node and set the below parameters.```--cert-file=</path/to/ca-file>--key-file=</path/to/key-file>```## Default ValueBy default, TLS encryption is not set.## References1. https://coreos.com/etcd/docs/latest/op-guide/security.html2. https://kubernetes.io/docs/admin/etcd/## CIS Controls| Controls Version | Control | IG 1 | IG 2 | IG 3 || ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---- | ---- | ---- || v8 | 3.11 Encrypt Sensitive Data at Rest<br/>Encrypt sensitive data at rest on servers, applications, and databases containing sensitive data. Storage-layer encryption, also known as server-side encryption, meets the minimum requirement of this Safeguard. Additional encryption methods may include application-layer encryption, also known as client-side encryption, where access to the data storage device(s) does not permit access to the plain-text data. | | ● | ● || v7 | 14.4 Encrypt All Sensitive Information in Transit<br/>Encrypt all sensitive information in transit. | | ● | ● |## Profile**Level 1 - Master Node** (Automated)

Frequently asked questions

Cis K8S V200 2.1