Zero Trust Architecture & Design
Fortura’s Zero Trust Architecture & Design service helps organisations design security architectures that reduce implicit trust, limit blast radius, and align access decisions to identity, context, and risk.
Zero Trust is often misunderstood as a product or a destination.
In practice, many organisations adopt Zero Trust terminology while retaining legacy trust assumptions embedded in networks, identities, and application access. This results in fragmented controls, inconsistent enforcement, and limited risk reduction.
Effective Zero Trust design is not about adding tools, it’s about restructuring trust, informed by how users, systems, and attackers actually interact with your environment
Reduce implicit trust across networks, identities, and applications by making explicit who can access what, from where, and under which conditions. Replace flat network trust with policy decisions your help desk and auditors can explain without referencing VLAN folklore alone.
Improve access control consistency and enforcement across SaaS, on-premises, and partner connectivity patterns your teams actually use. Standardise conditional access, device posture, and privileged pathways so exceptions are rare, documented, and time-bounded.
Limit lateral movement and blast radius during compromise with consistent policy enforcement across identities, devices, networks, and workloads. Design segmentation and monitoring so a single credential loss does not silently become domain-wide ransomware hours later.
Align Zero Trust initiatives to business priorities and constraints: customer uptime, partner access, legacy systems, and migration budgets so adoption stays fundable and sequenced. Trade-offs become visible so product and security negotiate with data instead of slogans.
Create a practical roadmap for phased Zero Trust adoption with quick wins, platform choices, and measurable trust boundaries instead of a single big bang. Anchor each phase to outcomes your board can track, such as reduced standing privilege, fewer shared accounts, and cleaner device compliance.
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Network-based trust models and identity complexity require a phased, realistic Zero Trust roadmap aligned to business priorities and operational constraints.
We assess implicit trust in networks, devices, identities, and admin paths today, where VPNs, flat subnets, or shared creds still carry the load. Findings name the trust assumptions an attacker would abuse first.
What this can include
Define scope and objectives
01
Confirm business drivers, risk priorities, and architectural constraints.
Analyse trust relationships
02
Identify where implicit trust exists across users, systems, and services.
Assess exposure and attack paths
03
Evaluate how trust assumptions could be exploited.
Design target-state architecture
04
Define Zero Trust-aligned access and control patterns.
Develop transition roadmap
05
Create a phased plan aligned to risk reduction and practicality.
Support decision-making
06
Provide guidance to inform investment and implementation choices.
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