Understanding VPC Interface Endpoints in AWS Networking

In this episode, Meg Ashby, a senior cloud security engineer shares how her team tackled AWS’s centralized VPC interface endpoints, a design often seen as an anti-pattern. She explains how they turned this unconventional approach into a cost-efficient and scalable solution, all while maintaining granular controls and network visibility. She shares why centralized VPC endpoints are considered an AWS anti-pattern, how to implement granular IAM controls in a centralized model and the challenges of monitoring and detecting VPC endpoint traffic.

Guest Socials: ⁠Meg's Linkedin

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Questions asked:

(00:00) Introduction

(02:48) A bit about Meg Ashby

(03:44) What is VPC interface endpoints?

(05:26) Egress and Ingress for Private Networks

(08:21) Reason for using VPC endpoints

(14:22) Limitations when using centralised endpoint VPCs

(19:01) Marrying VPC endpoint and IAM policy

(21:34) VPC endpoint specific conditions

(27:52) Is this solution for everyone?

(38:16) Does VPC endpoint have logging?

(41:24) Improvements for the next phase

Thank you to our episode sponsor Wiz. Cloud Security Podcast listeners can also get a free cloud security health scan by going to wiz.io/csp