If you completed AWS, you already touched IAM, S3 Block Public Access, security groups, and CloudTrail—this lesson connects cloud mechanics to application security.
Cloud shared responsibility
Provider secures hypervisor; you secure data, IAM policies, network config, and app code.
Common gaps
- Public S3 buckets and overly open security groups
- Long-lived access keys in CI logs
- Missing CloudTrail analysis
Next depth
Application-layer OWASP issues still exist in perfect IAM—both layers required.
Important interview questions and answers
- Q: Shared responsibility?
A: Customer secures data and identity configuration in cloud. - Q: CloudTrail?
A: API audit log for investigations.
Self-check
- What is your duty in shared responsibility?
- Name two AWS misconfig risks.
Tip: Re-read S3 Block Public Access + security group lessons on /aws/intro.
Interview prep
- Shared responsibility?
Customer secures data, IAM, network, and applications.