# Overview

The Kubernetes Hardening Tool is a security-focused API that generates comprehensive hardening recommendations and configurations for Kubernetes environments. Designed for DevSecOps teams, security engineers, and infrastructure professionals, this tool automates the process of identifying and implementing security best practices across Kubernetes clusters.

The tool accepts detailed hardening preferences and contextual information, then returns tailored security configurations and recommendations. It integrates seamlessly into CI/CD pipelines, infrastructure-as-code workflows, and security compliance frameworks, enabling organizations to maintain consistent, audit-ready Kubernetes security postures.

Ideal users include security teams implementing CIS Kubernetes Benchmarks, platform engineers building secure multi-tenant clusters, and compliance-focused organizations requiring documented hardening strategies.

## Usage

### Sample Request

```json
{
  "sessionId": "sess_abc123def456",
  "userId": 1001,
  "timestamp": "2024-01-15T14:30:00Z",
  "hardeningOptions": {
    "rbac": ["enable-strict-policies", "service-account-isolation"],
    "network": ["deny-all-ingress", "deny-all-egress", "enable-network-policies"],
    "pod-security": ["restrict-privileged-containers", "enforce-read-only-filesystem"],
    "audit": ["enable-audit-logging", "log-authentication-events"]
  }
}
```

### Sample Response

```json
{
  "status": "success",
  "sessionId": "sess_abc123def456",
  "timestamp": "2024-01-15T14:30:15Z",
  "hardeningConfigurations": {
    "rbac": {
      "policies": [
        {
          "kind": "ClusterRole",
          "name": "restricted-viewer",
          "rules": [
            {
              "apiGroups": [""],
              "resources": ["pods"],
              "verbs": ["get", "list"]
            }
          ]
        }
      ],
      "serviceAccounts": ["default-restricted"]
    },
    "network": {
      "networkPolicies": [
        {
          "apiVersion": "networking.k8s.io/v1",
          "kind": "NetworkPolicy",
          "metadata": { "name": "deny-all-ingress" },
          "spec": {
            "podSelector": {},
            "policyTypes": ["Ingress"]
          }
        }
      ]
    },
    "pod-security": {
      "policies": [
        {
          "apiVersion": "policy/v1beta1",
          "kind": "PodSecurityPolicy",
          "metadata": { "name": "restricted" },
          "spec": {
            "privileged": false,
            "readOnlyRootFilesystem": true
          }
        }
      ]
    },
    "audit": {
      "auditPolicy": {
        "apiVersion": "audit.k8s.io/v1",
        "kind": "Policy",
        "rules": [
          {
            "level": "RequestResponse",
            "omitStages": ["RequestReceived"],
            "resources": ["secrets"]
          }
        ]
      }
    }
  },
  "recommendations": [
    "Enable Pod Security Standards in addition to deprecated PodSecurityPolicy",
    "Implement OPA/Gatekeeper for policy enforcement",
    "Configure encrypted secrets at rest"
  ]
}
```

## Endpoints

### POST /api/hardening/generate

Generates comprehensive Kubernetes hardening configurations and security recommendations based on provided hardening options and session context.

**Method:** POST

**Path:** `/api/hardening/generate`

**Description:** Analyzes the specified hardening options and generates Kubernetes security configurations including RBAC policies, network policies, pod security policies, and audit logging settings.

#### Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `sessionId` | string | Yes | Unique session identifier for tracking and auditing purposes |
| `userId` | integer or null | Yes | User identifier associated with the hardening request; can be null for anonymous requests |
| `timestamp` | string | Yes | ISO 8601 formatted timestamp of the request |
| `hardeningOptions` | object | Yes | Map of hardening categories to arrays of specific hardening options to apply |
| `hardeningOptions.rbac` | array of strings | Conditional | RBAC hardening options (e.g., "enable-strict-policies", "service-account-isolation") |
| `hardeningOptions.network` | array of strings | Conditional | Network policy options (e.g., "deny-all-ingress", "enable-network-policies") |
| `hardeningOptions.pod-security` | array of strings | Conditional | Pod security options (e.g., "restrict-privileged-containers", "enforce-read-only-filesystem") |
| `hardeningOptions.audit` | array of strings | Conditional | Audit logging options (e.g., "enable-audit-logging", "log-authentication-events") |

#### Response

**Success (200):**
Returns a JSON object containing:
- `status`: Operation status indicator
- `sessionId`: Echo of the input session ID
- `timestamp`: Response timestamp
- `hardeningConfigurations`: Object with generated Kubernetes manifests and configurations organized by category
- `recommendations`: Array of additional security recommendations and best practices

**Validation Error (422):**
Returns an `HTTPValidationError` object with:
- `detail`: Array of validation errors, each containing:
  - `loc`: Array indicating the location of the error in the request
  - `msg`: Human-readable error message
  - `type`: Error classification

## Pricing

| Plan | Calls/Day | Calls/Month | Price |
|------|-----------|-------------|-------|
| Free | 5 | 50 | Free |
| Developer | 20 | 500 | $39/mo |
| Professional | 200 | 5,000 | $99/mo |
| Enterprise | 100,000 | 1,000,000 | $299/mo |

## About

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## References

- **Kong Route:** https://api.mkkpro.com/hardening/kubernetes
- **API Docs:** https://api.mkkpro.com:8126/docs