Security Groups
Stateful instance-level firewalls and least-privilege network access.
Prerequisites
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Users vs. roles vs. groups, identity-based vs. resource-based policies, policy evaluation logic, and applying least privilege in practice.
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Instance family naming (m6i, c7g, r6g), On-Demand vs. Reserved vs. Spot vs. Savings Plans, and picking the right combination for a real workload.
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Standard, Intelligent-Tiering, Glacier and Deep Archive compared on cost/retrieval time, plus lifecycle rules that move and expire objects automatically.
AWSRelated Projects
AWS Static Website Hosting
Production-grade static site delivery pipeline using S3 origin storage, CloudFront edge caching, ACM-issued TLS, Route53 DNS, and Cloudflare in front for extra security and performance.
BeginnerAWS Dynamic Website Hosting
Full dynamic web application stack on EC2 with an RDS-backed database, CloudFront + S3 for static assets, ACM TLS, Route53 DNS, and Cloudflare protection in front of the origin.
Intermediate