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Hectal
Phase 8Advanced9 of 9 in AWS

Architecting on AWS: Well-Architected, IaC, Streaming & Threat Detection

How AWS architects think: the six Well-Architected pillars and reviews, infrastructure as code with CloudFormation, CDK, and SAM, real-time streaming with Kinesis and orchestration with Step Functions, and the edge and threat-detection services that protect accounts.

Phases 0–7 covered the building blocks. This phase ties them together the way solutions architects and senior engineers do: a structured way to review designs, defining everything as code, event and data pipelines beyond SQS, and the security services that watch over an account.

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4 topics ~28 min 7 code blocks & diagrams
Start with the first topic
1
8.1

The Well-Architected Framework: Six Pillars & Reviews

AWS's framework for judging an architecture: operational excellence, security, reliability, performance efficiency, cost optimisation, and sustainability. It turns vague 'is this good?' into specific questions and trade-offs.

7 min 1 code practice

2
8.2

Infrastructure as Code on AWS: CloudFormation, CDK & SAM

AWS's native IaC: CloudFormation stacks in YAML/JSON with managed state, CDK to generate them from real programming languages, and SAM for serverless shortcuts, and how they compare with Terraform.

7 min 2 code practice

3
8.3

Streaming & Orchestration: Kinesis and Step Functions

Kinesis Data Streams handles ordered, replayable real-time event streams (AWS's managed alternative to Kafka for many cases); Firehose delivers streams into S3 and analytics stores; Step Functions orchestrates multi-step workflows with retries and state.

7 min 1 diagram 1 code practice

4
8.4

Protecting an Account: WAF, Shield, GuardDuty, Security Hub & Config

Defence in layers: WAF and Shield at the edge, GuardDuty detecting threats from logs, Inspector scanning for vulnerabilities, Config recording configuration compliance, and Security Hub aggregating everything into one prioritised view.

7 min 1 diagram 1 code practice