Cloud Security

Cloud Security

Cloud security assessment and exploitation techniques for AWS, Azure, and GCP including IAM attacks, storage misconfiguration, and cloud-native vulnerabilities.

Overview

Cloud environments have become the primary infrastructure for modern organizations, creating new attack surfaces that require specialized security knowledge. This section covers cloud-specific vulnerabilities and assessment methodologies across major providers.

Cloud Providers

Amazon Web Services (AWS)

Microsoft Azure

Common Cloud Attack Vectors

Identity and Access Management

  • Overly permissive IAM policies
  • Credential exposure in code/configs
  • Service account abuse
  • Cross-account access exploitation

Storage Misconfigurations

  • Public S3 buckets
  • Exposed blob storage
  • Unencrypted data at rest
  • Missing access logging

Network Security

  • Overly permissive security groups
  • Public-facing services
  • VPC misconfiguration
  • Missing network segmentation

Compute Exploitation

  • Instance metadata service (IMDS) attacks
  • Container escape to host
  • Serverless function injection
  • Vulnerable AMIs/images

Cloud Assessment Methodology

1. Reconnaissance

# Enumerate cloud services
# Check DNS for cloud provider patterns
# Analyze error messages and headers
# Search code repositories for credentials

2. Authentication

  • Test credential validity
  • Check for IAM misconfigurations
  • Enumerate accessible resources
  • Test cross-account access

3. Privilege Escalation

  • Analyze IAM policies
  • Look for escalation paths
  • Test service role assumptions
  • Check for passrole vulnerabilities

4. Data Access

  • Enumerate storage resources
  • Check encryption status
  • Test access controls
  • Look for sensitive data exposure

5. Lateral Movement

  • Cross-service access
  • VPC peering exploitation
  • Service account pivoting
  • Trust relationship abuse

Essential Tools

ToolPurpose
PacuAWS exploitation framework
ScoutSuiteMulti-cloud security auditing
ProwlerAWS security assessment
CloudSploitCloud misconfiguration detection
ROADtoolsAzure AD enumeration

Last updated on