DMZs versus Shared VPCs
AWS Shared VPC Architecture – Segmentation by Ingress Type In an AWS Shared VPC architecture, the host account owns and manages the VPC, subnets, and routing. It shares specific…
Single KMS Key per Environment
AWS KMS Key Design: One CMK per Environment vs Per-Workload Keys AWS KMS Key Design – Single CMK per Environment This summary analyzes the pros and cons of using…
AWS Audit Evidence for Compliance Purposes
AWS Compliance Audit Evidence Collection Overview Compliance evidence refers to proof of control implementation and effectiveness—logs, configurations, reports, or monitoring records that demonstrate adherence to frameworks such as SOC 2,…
AWS Patch Management using Systems Manager
AWS Systems Manager (SSM) – Patch Management Overview AWS Systems Manager (SSM) for Patch Management Centralized, automated scanning, installation, and compliance reporting for EC2 and on-premises servers. Diagram AWS Systems…
Retroactive Tagging for AWS Resources
AWS Retroactive Tagging – Enforcement Playbook “Retroactive” tagging (fixing existing resources) usually takes a mix of detection, bulk edit, and guardrails so drift doesn’t come back. Here’s a practical…
AWS Backups – RPO and RTO
AWS Backup RPO and RTO This guide explains Recovery Point Objective (RPO) and Recovery Time Objective (RTO) in the context of AWS Backup, with practical ranges and optimization tips.…
Staggering Waves during AWS Migration
Why You Should Not Replicate All Servers in Parallel Replicating every source server at once during a cloud migration may seem efficient, but it often causes severe performance, cost,…
Firewall Manager and Shared VPCs in AWS
Shared VPC Use Cases & Shared VPC vs Transit Gateway This document provides additional Shared VPC use cases for AWS Network Firewall and explains how Shared VPCs differ technically…
Static IPs moving to AWS EC2
Handling Static IPs When Moving On-Premises Servers to AWS EC2 Handling Static IPs When Moving On-Premises Servers to AWS EC2 When you migrate on-prem servers to AWS, you can’t bring…
AWS Audit Artifacts
AWS Patterns for Storing Audit Artifacts What counts as “audit artifacts”? Logs, configuration histories, change approvals, vulnerability & security findings, backup reports, evidence exports (, screenshots/CSVs), and third-party attestation…