Cyber Security Architecture & Controls

Enterprise-Grade Security Design for Cloud, Hybrid & Multi-Cloud Environments

Expert security architecture services including landing zones, policy-as-code, zero-trust design, threat modeling, and compliance mapping for NIST CSF, ISO 27001, SOC 2, HIPAA, and CMMC frameworks.

Project-Based Security Architecture Services

Fedlin provides expert cyber security architecture services for organizations building secure cloud infrastructure, achieving compliance, or modernizing legacy security controls. Whether you need a landing zone design, policy-as-code implementation, zero-trust architecture, or compliance framework mapping, our security architects deliver practical, implementable designs aligned to your business objectives.

Unlike traditional consulting that leaves you with documents nobody implements, we deliver architecture blueprints, infrastructure-as-code templates, policy repositories, and implementation roadmaps your team can execute immediately. Our architects have designed security controls for healthcare, financial services, SaaS, manufacturing, and government organizations across Azure, AWS, GCP, and hybrid environments.

Available for Corp-to-Corp (C2C) engagements, project-based consulting, fractional security architecture leadership, and technical security implementations. Based in Nashville, serving clients nationwide.

Security Architecture Capabilities

Cloud Landing Zones

Pre-configured, secure cloud foundations with identity management, network topology, security controls, and governance policies for Azure, AWS, or GCP.

  • Hub-and-spoke network architecture
  • Identity & access management (IAM, RBAC, PIM)
  • Security baseline configurations
  • Compliance guardrails & policies
  • Logging, monitoring & threat detection

Policy-as-Code

Automated security policies deployed as infrastructure code with version control, CI/CD integration, and continuous compliance enforcement.

  • Azure Policy, AWS Config, GCP Organization Policy
  • Terraform, Pulumi, CloudFormation templates
  • Compliance-as-code (NIST, CIS, HIPAA)
  • Automated remediation workflows
  • Audit trails & evidence collection

Zero-Trust Architecture

Never trust, always verify - comprehensive zero-trust design eliminating implicit trust with continuous verification and least-privilege access.

  • Identity-based perimeter (not network-based)
  • Micro-segmentation & network isolation
  • Continuous authentication & authorization
  • Least-privilege access enforcement
  • Assume-breach security posture

Threat Modeling & Risk Assessment

Systematic identification of threats, attack vectors, and vulnerabilities using STRIDE, PASTA, MITRE ATT&CK frameworks aligned to your specific environment.

  • Architecture threat modeling (STRIDE/PASTA)
  • Attack surface analysis
  • MITRE ATT&CK technique mapping
  • Risk prioritization & remediation roadmap
  • Security control design & validation

Compliance Framework Architecture

Security architecture aligned to NIST CSF, ISO 27001, SOC 2, HIPAA, CMMC, and PCI-DSS requirements with control mapping and evidence automation.

  • Multi-framework control mapping
  • NIST Cybersecurity Framework implementation
  • ISO 27001 ISMS architecture
  • SOC 2 trust services criteria design
  • HIPAA Security Rule compliance

Identity & Access Architecture

Comprehensive identity governance with RBAC, privileged access management (PAM), single sign-on (SSO), and multi-factor authentication (MFA).

  • Azure AD / Entra ID architecture
  • Privileged Identity Management (PIM)
  • Role-based access control (RBAC) design
  • Conditional access policies
  • Just-in-time (JIT) access

What You Receive

Architecture Blueprints

Comprehensive network diagrams, component architecture, data flows, trust boundaries, and security zone documentation.

Infrastructure-as-Code Templates

Production-ready Terraform, ARM, CloudFormation templates for landing zones, policies, and security controls.

Policy-as-Code Repository

Version-controlled policy definitions, compliance baselines, automated remediation scripts, and CI/CD pipelines.

Threat Models & Risk Assessment

STRIDE/PASTA threat analysis, MITRE ATT&CK mappings, attack surface documentation, prioritized risk register.

Compliance Control Mapping

Framework-specific control implementations, evidence collection automation, audit documentation templates.

Implementation Roadmap

Phased deployment plan, prioritized backlog, resource requirements, timeline estimates, success metrics.

Cloud & Technology Expertise

Microsoft Azure

  • Azure Landing Zones
  • Azure Policy & Blueprints
  • Microsoft Defender for Cloud
  • Azure AD / Entra ID
  • Sentinel SIEM

Amazon Web Services

  • AWS Control Tower
  • AWS Config & Security Hub
  • GuardDuty & Inspector
  • IAM & Organizations
  • CloudTrail & CloudWatch

Google Cloud Platform

  • GCP Organization Policies
  • Security Command Center
  • Cloud Armor & DDoS Protection
  • Identity & Access Management
  • Chronicle Security

Infrastructure-as-Code: Terraform, Pulumi, ARM Templates, CloudFormation

Compliance Frameworks: NIST CSF, ISO 27001, SOC 2, HIPAA, CMMC, PCI-DSS, CIS Benchmarks

Common Security Architecture Projects

Cloud Migration Security Architecture

Designing secure cloud landing zones for organizations migrating from on-premises to Azure, AWS, or GCP. Includes network architecture, identity federation, data migration security, and compliance mapping.

Typical Timeline: 4-8 weeks

Zero-Trust Network Architecture

Implementing zero-trust principles including identity-based perimeter, micro-segmentation, continuous verification, and least-privilege access for hybrid and cloud environments.

Typical Timeline: 6-12 weeks

Compliance Framework Implementation

Architecting security controls aligned to NIST CSF, ISO 27001, SOC 2, or HIPAA requirements with policy-as-code implementation, automated evidence collection, and audit documentation.

Typical Timeline: 8-16 weeks

Privileged Access Management (PAM) Architecture

Designing comprehensive PAM solutions with just-in-time access, privileged session management, credential vaulting, and administrative workflow automation for Azure AD/Entra, AWS IAM, or third-party PAM solutions.

Typical Timeline: 4-8 weeks

Threat-Driven Security Architecture

Security architecture based on threat modeling, MITRE ATT&CK techniques, and industry-specific attack patterns. Focuses on high-risk scenarios like ransomware, insider threats, or supply chain attacks.

Typical Timeline: 4-6 weeks

DevSecOps Security Architecture

Embedding security controls into CI/CD pipelines with automated scanning, policy-as-code validation, secure container registries, secrets management, and compliance gates for rapid, secure deployments.

Typical Timeline: 6-10 weeks

Why Choose Fedlin for Security Architecture?

Practical, Implementable Designs

We deliver architecture you can actually implement - not theoretical documents that collect dust. Infrastructure-as-code templates, policy repositories, and detailed implementation guides your team executes immediately.

Risk-Based Prioritization

We prioritize controls based on actual risk to your business - not checkbox compliance. Threat modeling and risk assessment ensure resources focus on controls that matter most for your environment.

Multi-Framework Expertise

We map overlapping controls across NIST, ISO 27001, SOC 2, HIPAA, CMMC, and PCI-DSS to design unified architectures satisfying multiple compliance requirements efficiently.

Automation-First Approach

Policy-as-code, infrastructure-as-code, and compliance-as-code automation ensures consistent enforcement, rapid remediation, and continuous compliance without manual overhead.

Multi-Cloud Expertise

Deep experience across Azure, AWS, and GCP with cloud-agnostic frameworks ensuring consistent security controls and unified governance across hybrid and multi-cloud environments.

Flexible Engagement Models

Available for Corp-to-Corp (C2C) contracts, project-based consulting, fractional security architect roles, or technical implementation support - whatever fits your needs and budget.

Ready to Design Secure Architecture?

Get expert cyber security architecture services with landing zones, policy-as-code, zero-trust design, and compliance framework implementation.

Available for Corp-to-Corp (C2C) engagements • Project-based consulting • Nationwide service from Nashville, TN

Cyber Security Architecture FAQ

Common questions about enterprise security architecture and controls

Cyber security architecture is the strategic design of security controls, technologies, and processes that protect an organization's digital assets. It includes network segmentation, identity management, data protection, threat detection, and incident response systems aligned to business objectives and compliance requirements.

Security architecture focuses on strategic design, patterns, and frameworks (the 'what' and 'why'), while cybersecurity engineering focuses on tactical implementation and operations (the 'how'). Architects design landing zones and control frameworks; engineers deploy and maintain the specific technologies.

Yes. A CISO provides executive leadership and strategy, while a security architect translates that strategy into technical designs, control frameworks, and implementation roadmaps. Many organizations use fractional security architects to bridge this gap cost-effectively.

Timeline varies by scope: Landing zone design (2-4 weeks), comprehensive architecture review (4-6 weeks), zero-trust architecture design (6-12 weeks), enterprise-wide transformation (3-6 months). We provide phased approaches with early wins while building long-term capabilities.

A cloud landing zone is a pre-configured, secure foundation for cloud workloads that includes identity management, network topology, security controls, governance policies, and compliance frameworks. It provides a repeatable, scalable pattern for deploying workloads securely across Azure, AWS, or GCP.

Policy-as-code translates security requirements into automated, version-controlled code that enforces compliance continuously. Instead of manual audits and spreadsheets, policies are deployed as infrastructure code (Terraform, Azure Policy, AWS Config), providing consistent enforcement, audit trails, and rapid remediation.

Yes. We specialize in multi-cloud security architecture using cloud-agnostic frameworks (NIST CSF, CIS Controls, Zero Trust) while leveraging cloud-specific capabilities. We design unified identity, consistent policy enforcement, centralized logging, and cross-cloud threat detection.

We embed security controls into CI/CD pipelines (DevSecOps) using automated scanning, policy-as-code validation, secure container images, secrets management, and compliance checks. Security becomes automated guardrails rather than manual gates, enabling rapid deployment without compromising security.

Absolutely. We map overlapping controls across NIST CSF, ISO 27001, SOC 2, HIPAA, CMMC, and other frameworks to design unified architectures that satisfy multiple requirements efficiently. This eliminates redundant controls and reduces compliance costs.

NIST CSF architecture organizes security controls into five core functions: Identify (asset management, risk assessment), Protect (access control, data security), Detect (monitoring, anomaly detection), Respond (incident response), and Recover (business continuity). We design technical architectures aligned to these functions.

Zero-trust architecture eliminates implicit trust by requiring continuous verification of every user, device, and application. It includes micro-segmentation, least-privilege access, continuous monitoring, and assume-breach mindset. This significantly reduces attack surface and limits lateral movement during breaches.

Yes. We design phased zero-trust implementations that work with existing infrastructure. Starting with identity verification and network segmentation, we progressively add micro-segmentation, policy enforcement, and continuous monitoring without requiring complete infrastructure replacement.

Threat modeling systematically identifies security threats, attack vectors, and vulnerabilities in your architecture before deployment. Using frameworks like STRIDE, PASTA, or MITRE ATT&CK, we map attacker techniques to your specific environment, prioritize risks, and design countermeasures.

We use risk-based prioritization considering threat likelihood, business impact, compliance requirements, and implementation cost. Critical systems protecting sensitive data get priority, followed by internet-facing services, then internal systems. We provide phased roadmaps balancing quick wins with long-term transformation.

Yes. We design ransomware-resilient architectures including immutable backups, network segmentation, privileged access management, endpoint detection, offline recovery capabilities, and incident response playbooks. These architectural patterns significantly reduce ransomware impact and recovery time.

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