req-nf-ops-log-management

AWS log management design requires mapping the lifecycle of capture, delivery via Kinesis Firehose, S3 storage retention, Athena analysis, and CloudWatch monitoring for logs like CloudTrail and VPC Flow Logs.

S3 retention policies for CloudTrail and VPC Flow Logs require defining explicit retention periods with legal and operational rationale, alongside S3 lifecycle rules to manage storage costs and compliance.

Kinesis Data Firehose delivers and aggregates ALB access logs into S3, providing a centralized storage layer that enables subsequent Athena analytics and defined lifecycle retention management.

Yes, you can define analysis tooling policies for Athena and Splunk to query CloudWatch Logs transferred to S3, establishing concrete choices for querying aggregated log data.

Implement access control and tamper-resistance for AWS log storage by defining IAM roles and S3 bucket policies that restrict log viewing permissions and enforce immutability for compliance.

Explicit retention periods in a cloud architecture log lifecycle ensure compliance with legal requirements and operational needs while controlling storage costs for S3 stored logs like CloudTrail.