Zero Trust & Security Architecture
FORTEIA helps organisations design practical security architectures across identity, endpoints, applications, networks, infrastructure and data. Our approach applies the Zero Trust principles of verify explicitly, use least-privilege access and assume breach, while aligning architecture decisions with business risk, regulatory expectations and existing technology investments.
Organisations have invested in security technologies across cloud, on-premises, SaaS and remote-working environments, but often lack a coherent target architecture that reduces implicit trust, limits privilege and protects critical assets consistently.
“Do we have a coherent target security architecture across identity, devices, applications, workloads and data?”
“Where do excessive privilege and implicit trust create our most material exposure?”
“How can we modernise security while maximising existing investments and avoiding unnecessary technology?”
Engagement Journey
Five stages turn fragmented controls into a governed target architecture — each one building on the outputs of the last.
Understand business services, critical assets, users, workloads, data flows, existing architecture and security priorities.
Evaluate trust assumptions, architecture gaps, identity and privilege exposure, control maturity and technology coverage.
Define target Zero Trust principles, control patterns, architecture requirements and priority use cases across identity, endpoints, applications, workloads, data and cloud.
Prioritise architecture improvements according to material risk, achievable value, implementation dependency and use of existing capabilities.
Establish architecture principles, decision criteria, ownership and evidence expectations for ongoing security change.
Where the architecture applies
Strengthen authentication, conditional access, least privilege, privileged access and identity governance.
Define device-health, management and access-control requirements for corporate, mobile and remote endpoints.
Design secure access patterns and control requirements for applications, APIs, workloads and service identities.
Align data classification, access, protection and monitoring controls with Zero Trust principles.
Establish consistent security principles and control patterns across cloud, SaaS and on-premises environments.
Map existing capabilities to target controls, identify duplication and gaps, and prioritise architecture improvements.
What changes
A clear Zero Trust target architecture aligned with business priorities.
Reduced attack surface, lateral movement and potential breach impact, through stronger least-privilege access and reduced implicit trust.
Better use of existing security investments and reduced technology fragmentation.
A prioritised roadmap that supports resilience, regulatory expectations and future AI adoption.
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Discover → Assess → Design → Prioritise → Govern
Assesses current Zero Trust maturity, trust assumptions and priority gaps across the digital estate.
Provides a structured reference for designing coherent target security architecture.
Evaluates identity, authentication, privilege and governance exposure.
Maps existing security capabilities to target controls to identify duplication, gaps and investment priorities.
See how FORTEIA works →
What you receive
Why FORTEIA
Zero Trust is treated as a security strategy and architecture, not a product deployment.
Priorities are driven by material exposure and business impact rather than technology checklists.
Existing Microsoft and other security capabilities are considered and rationalised before unnecessary technology is introduced.
Where next