Cybersecurity Consulting Work Package: Architecture Requirements
1. Purpose
This work package defines the cybersecurity architecture requirements needed to support a secure, scalable, and resilient technology environment. It provides a structured approach to identifying, validating, and documenting the security capabilities, controls, and design principles required to protect the organisation’s critical assets and enable strategic business outcomes.
---
2. Objectives
• Establish a clear set of security architecture requirements aligned to business goals, regulatory obligations, and risk appetite.
• Define baseline and target-state security capabilities across people, process, and technology.
• Ensure architectural decisions are consistent, defensible, and aligned with industry frameworks (NIST CSF, ISO 27001, Zero Trust, CIS).
• Provide a foundation for solution design, procurement, and implementation planning.
• Reduce ambiguity and accelerate secure delivery across programmes and projects.
---
3. Scope of Work
3.1 In-Scope
• Enterprise security architecture assessment
• Requirements elicitation workshops
• Mapping business, regulatory, and threat-driven requirements
• Definition of security architecture principles
• Development of functional and non-functional security requirements
• Alignment with enterprise architecture and IT strategy
• Integration with Zero Trust, cloud, and data security models
• Production of a Security Architecture Requirements Document (SARD)
3.2 Out-of-Scope
• Detailed solution design
• Implementation or configuration of security tools
• Penetration testing or red teaming
• Operational runbooks or SOPs (can be added as optional modules)
---
4. Methodology
4.1 Phase 1 — Discovery & Current-State Analysis
• Review existing architecture artefacts, policies, and standards
• Identify critical business processes and data flows
• Assess current security capabilities and gaps
• Analyse threat landscape and regulatory drivers
• Stakeholder interviews (IT, security, risk, compliance, business units)
Deliverables:
• Current-State Architecture Summary
• Gap Analysis & Risk Observations
---
4.2 Phase 2 — Requirements Elicitation
• Conduct structured workshops with architecture, security, and business teams
• Capture functional requirements (e.g., identity, network, data, application, cloud)
• Capture non-functional requirements (e.g., resilience, performance, auditability)
• Prioritise requirements using MoSCoW or risk-based scoring
• Validate requirements with stakeholders
Deliverables:
• Requirements Catalogue
• Prioritisation Matrix
---
4.3 Phase 3 — Architecture Principles & Guardrails
• Define enterprise-wide security architecture principles
• Establish guardrails for cloud, identity, network, and data
• Align with Zero Trust and least privilege models
• Define decision-making criteria for future architecture reviews
Deliverables:
• Architecture Principles & Guardrails Document
---
4.4 Phase 4 — Target-State Architecture Requirements
• Develop target-state security architecture requirements
• Map requirements to business outcomes and risks
• Align with enterprise architecture domains
• Ensure compatibility with existing and planned technology roadmaps
• Identify dependencies, constraints, and integration points
Deliverables:
• Target-State Security Architecture Requirements
• Capability Maturity Recommendations
---
4.5 Phase 5 — Final Documentation & Handover
• Produce a comprehensive Security Architecture Requirements Document (SARD)
• Present findings to executive and technical stakeholders
• Provide recommendations for next steps (solution design, roadmap, governance)
Deliverables:
• Final SARD
• Executive Summary & Presentation Pack
5. Dependencies
• Access to architecture artefacts, policies, and system documentation
• Availability of key stakeholders for workshops
• Clarity on business strategy, risk appetite, and regulatory obligations
6. Assumptions
• Organisation has an existing enterprise architecture function or equivalent
• Stakeholders will provide timely input and approvals
• Technology roadmaps are available for review
---
7. Optional Add-On Modules
These can be added as separate work packages:
• Zero Trust Architecture Blueprint
• Cloud Security Reference Architecture (Azure/AWS/GCP)
• Data Protection & Privacy Architecture
• Identity & Access Management (IAM) Architecture
• Secure SDLC & DevSecOps Architecture
• Network Segmentation & Micro-Segmentation Design
• Security Tooling Rationalisation & Roadmap
---
8. Benefits to the Organisation
• Clear, actionable security architecture requirements
• Reduced delivery risk and architectural ambiguity
• Strong alignment with regulatory and industry standards
• Improved decision-making and governance
• Foundation for secure digital transformation
For more information on the Work Packages you can contact us in any of the following ways quoting the Work Package ID
Schedule an Appointment or for more information
Contact us on info@techstrategygroup.org
Complete our Enquiry form