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…
SSM Endpoints per VPC
AWS SSM VPC Endpoints Explained AWS SSM VPC Endpoints — Detailed Overview 1. Required Interface Endpoints (Per VPC) To run SSM/Session Manager in a private VPC (no Internet or NAT),…
AWS Migration Success Criteria
AWS Migration Success Criteria A concise checklist across technical, operational, and business dimensions for servers migrated to AWS. 1 Technical Success Criteria a) Functionality Validation All migrated applications…
AWS Firewall Manager
Firewall Manager in Shared VPC Environments How AWS Firewall Manager (FMS) governs centralized network and security policies in Shared VPC deployments, and which aspects of security are controlled at…