6.4.5 Identifying unused resources by using AWS services and tools for example, AWS Trusted Advisor, AWS Cost Explorer - In this podcast, we break down Task Statement 6.4 from the AWS Certified Security - Specialty SCS-C02 exam identifying security gaps through architectural reviews and cost analysis with a special focus on unused resources. Unused AWS resources, like idle EC2 instances and unattached EBS volumes, not only waste money but also increase security risks by creating potential attack surfaces. We explore the essential AWS tools for detecting these resources, including AWS Trusted Advisor, AWS Cost Explorer, AWS Config, CloudWatch, Systems Manager, and Security Hub, covering their key features and real-world best practices for implementation. The episode dives into advanced strategies, from automation with Lambda and EventBridge to integrating findings into centralized security workflows, ensuring enterprises can scale their monitoring and remediation efforts. We also cover exam-relevant skills, practical scenarios, and crucial security considerations, such as log integrity, careful automation, and multi-account governance. By mastering these techniques, youll be equipped to both ace the SCS-C02 exam and bolster your organizations cloud security and cost-efficiency.