Articles
7
Topics
16
Last post
Sep 14
Avg read
~12 min
A global data perimeter turns "who has access to what" from a per-account promise into an org-wide guarantee. This article walks through how I designed and rolled one out across a large multi-account AWS estate in a regulated banking environment — the architecture, the audit-mode-first rollout, and the exceptions that actually happened.
Part 2 of my Boundary Kubernetes lab: replace static passwords with Vault-issued dynamic MySQL users and short-lived SSH certificates per session.
I deployed HCP Boundary Essentials on a local Minikube cluster to broker zero-trust access to a MySQL database and an SSH target — no direct exposure, credential injection, and full session control via the Boundary CLI or Boundary Desktop. Here is the full architecture, configuration, and what I learned.
AWS has four distinct mechanisms to restrict permissions — and most engineers confuse them. This article breaks down SCPs, RCPs, Permission Boundaries and Session Policies: what each one limits, where it sits in the evaluation engine, and when to use which.
Transit gateways get the job done, but they come with real operational weight. I rebuilt the same infrastructure using Amazon VPC Lattice — here is what changed, what got simpler, and why it matters.
Dormant IAM credentials are not harmless — they are a ticking time bomb. I built IAM Cleanup, a serverless tool that automatically detects, tags, and removes unused IAM roles and policies before they become a liability.