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One post tagged with "Security Groups"

Controlling network access at the resource level in AWS. Covers inbound/outbound rules, least-privilege patterns, ALB→Fargate isolation, port scoping, and building “smart lock” boundaries that protect private workloads.

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Day 7: Create security groups (add the smart locks)

· 22 min read
Norah Sakal
Norah Sakal
AI Consultant & Developer

Create Security Groups (add the smart locks)

What you'll learn

How to create Security Groups that control exactly who can talk to your load balancer and AI agent Containers

Your network needs smart locks​

Day 6: You built the roads (route tables)

Today: We add the smart locks (Security Groups)

Here's the problem:

Your routing works, traffic can flow.

But there's NO security layer yet.

Right now:

  • Anyone can try to connect to your containers
  • No firewall rules
  • No access control

That's a security issue.

Solution: Security Groups