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Abdulmalik
AppSec Engineer
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Applying Network Security using VPC Flow Logs with Terraform

· 6 min read
Abdulmalik
AppSec Engineer

So you've deployed a few resources on AWS, EC2, and Redis instance, exposed port 6379, and made sure other resources in the VPC have access to the Redis instance and all.

You've tried hardening by default for your resources, that's good, but by mistake, your Redis instance was deployed into the public subnets, which makes the service accessible by any internet user.