AWS

Secure, governed AWS environments covering architecture, migration, identity, networking, operations and continuous security monitoring.

Overview

AWS cloud engineering combines secure landing-zone design, workload migration, identity and network architecture, operational governance and ongoing security visibility.

  • Landing zoneMulti-account AWS Organizations structure with baseline controls.
  • IdentityIAM roles, federation and least-privilege review.
  • NetworkSegmented VPCs with security groups, routing and private connectivity.
  • VisibilityCloudTrail and centralised logging, with tagging and budget controls.

Technical scope

  • Landing Zone & Account Architecture. Multi-account structures, organizational units, baseline controls, account separation and governance foundations.
  • Identity & Access Management. IAM design, role-based access, privileged access controls, federation and least-privilege review.
  • Network & Security Architecture. VPC design, segmentation, security groups, routing, private connectivity and perimeter controls.
  • Migration & Modernization. Workload discovery, migration planning, dependency mapping, cutover planning and post-migration validation.
  • Security Monitoring. CloudTrail, centralized logging, configuration monitoring, threat detection and security-event visibility.
  • Cost & Governance. Tagging strategy, budget controls, resource governance, compliance visibility and operational reporting.
AWS: architecture

Architecture and how it works

Core components are connected through defined control points so that implementation, monitoring and operational ownership remain traceable.

AWS Organizations→Accounts/OUs→IAM & Identity→VPC/Networking→Workloads→Logging & Monitoring→Security Operations

Delivery process

  1. 01

    Discover

    Discover accounts, workloads and dependencies

  2. 02

    Design

    Design landing zone, identity and network controls

  3. 03

    Migrate

    Migrate or modernize workloads in controlled waves

  4. 04

    Validate

    Validate security, resilience and operational controls

  5. 05

    Hand over

    Hand over documentation, monitoring and governance

Tools and deliverables

Deliverables describe the account structure, IAM roles and policies, VPC and routing design and logging configuration in enough detail to rebuild or audit the environment. Findings are tied to specific accounts, resources and recommended control changes.

Deliverables

  • AWS architecture and account design
  • Security and configuration assessment
  • Migration/cutover plan
  • IAM and network control review
  • Operational and security monitoring recommendations
AWS: tools and deliverables

Common questions

How is a multi-account AWS landing zone structured?

Accounts are grouped into organizational units with baseline controls and governance guardrails applied centrally. Workloads are separated by account, which keeps the blast radius of any incident small and ownership clear, and gives each team a consistent, pre-approved foundation instead of configuring security from scratch.

How do you design IAM for least privilege?

We use role-based access with federation instead of long-lived users, restrict privileged access and review existing policies for excessive permissions. Access is scoped per account and workload, and every sensitive action is recorded in CloudTrail, so permissions can be reviewed and tightened with evidence over time.

How is network segmentation handled in AWS?

VPCs are segmented by workload and environment, with security groups, routing and private connectivity controlling which traffic is allowed. Perimeter controls limit what is exposed to the internet, and internal services stay on private paths, so a compromise in one segment cannot easily reach the rest of the network.

What security monitoring is set up?

CloudTrail and centralised logging record account activity, while configuration monitoring and threat detection raise security events. Logs are centralised so they can be reviewed and retained independently of individual workloads, which keeps the evidence available during an investigation or audit even if a workload changes.

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