Cloud

• Pentesting Cloud Methodology (HackTricks)
• Cloud SSRF (HackTricks)

Tools: CloudFail, CloudBrute, not tested yet: ScoutSuite, cloud-service-enum

WSTG-CONF-11: Test Cloud Storage (OWASP Testing Guide)

Discovery

Use CloudBrute.

Amazon Web Services (AWS)

• Amazon Web Services (AWS)
• Amazon Simple Storage Service (Amazon S3)

Google Cloud

• Google Cloud
• Google Cloud Storage

Microsoft Azure

• Microsoft Azure