Cloud Security Configuration

Table of Contents

• [Overview](#overview)

• [When to Use](#when-to-use)

• [Quick Start](#quick-start)

• [Reference Guides](#reference-guides)

• [Best Practices](#best-practices)

Overview

Cloud security requires comprehensive strategies spanning identity management, encryption, network controls, compliance, and threat detection. Implement defense-in-depth with multiple layers of protection and continuous monitoring.

When to Use

• Protecting sensitive data in cloud

• Compliance with regulations (GDPR, HIPAA, PCI-DSS)

• Implementing zero-trust security

• Securing multi-cloud environments

• Threat detection and response

• Identity and access management

• Network isolation and segmentation

• Encryption and key management

Quick Start

Minimal working example:

# Enable GuardDuty (threat detection)

aws guardduty create-detector \

  --enable \

  --finding-publishing-frequency FIFTEEN_MINUTES

# Enable CloudTrail (audit logging)

aws cloudtrail create-trail \

  --name organization-trail \

  --s3-bucket-name audit-bucket \

  --is-multi-region-trail

# Enable S3 bucket encryption by default

aws s3api put-bucket-encryption \

  --bucket my-bucket \

  --server-side-encryption-configuration '{

    "Rules": [{

      "ApplyServerSideEncryptionByDefault": {

        "SSEAlgorithm": "aws:kms",

        "KMSMasterKeyID": "arn:aws:kms:region:account:key/key-id"

      },

      "BucketKeyEnabled": true

    }]

  }'

# Enable VPC Flow Logs

// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

Guide

Contents

AWS Security Configuration

AWS Security Configuration

Terraform Security Configuration

Terraform Security Configuration

Azure Security Configuration

Azure Security Configuration

GCP Security Configuration

GCP Security Configuration

Best Practices

✅ DO

• Implement least privilege access

• Enable MFA everywhere

• Use service accounts for applications

• Encrypt data at rest and in transit

• Enable comprehensive logging

• Implement network segmentation

• Use secrets management

• Enable threat detection

• Regular security assessments

• Keep systems patched

❌ DON'T

• Use root/default credentials

• Store secrets in code

• Over-permissive security groups

• Disable encryption

• Ignore logs and monitoring

• Share credentials

• Skip compliance requirements

• Trust unverified data sources