Zero Trust
Architecture
Reduce risk with stronger identity, access and segmentation controls. Zero Trust is not a single product - it's a security approach based on verifying access, reducing implicit trust and limiting what users, devices and systems can reach. RTCS helps Australian organisations apply Zero Trust principles in a practical way that fits their environment, risk profile and business needs.
- Zero Trust strategy and roadmap development
- Identity and access architecture
- Conditional Access design and MFA uplift
- Privileged access review and PIM design
- Device compliance and endpoint trust signals
- Internal and cloud network segmentation review
- Application, SaaS and cloud access governance
- Data protection, classification and logging alignment
- Zero Trust maturity assessment and remediation planning
Access shouldn't be trusted by default.
Zero Trust Architecture is a security model that assumes access should not be trusted by default. Access decisions should consider identity, device health, location, risk signals, data sensitivity, user role and business need - across users, administrators, services and third parties.
A practical Zero Trust approach answers these every request.
Who is accessing the system?
Is the device trusted and compliant?
Does the user need this access?
Is the access appropriate for the risk?
Can access be limited to only what is required?
Is activity being logged and monitored?
Can suspicious access be blocked or challenged?
Where traditional perimeter thinking leaves risk.
Once a user, device or system is inside the network, it often has more access than it needs. That creates risk when accounts are compromised, devices are unmanaged, remote access is exposed or internal systems are poorly segmented.
Identity is the foundation.
RTCS reviews how users, administrators, service accounts and third parties access systems and data.
For the full IAM program behind these controls, pair with Identity & Access Management.
Access decisions should consider the device.
Whether a device is managed, secure and compliant should shape what it's allowed to reach. RTCS reviews device trust and endpoint controls across workstations, mobile devices and servers.
Zero Trust doesn't mean removing networks. It means removing unnecessary access between them.
RTCS reviews network segmentation and access paths to reduce lateral movement risk.
Access enforced at the application, not just the perimeter.
RTCS reviews access to cloud platforms, SaaS applications and internal systems so it's aligned to business need and risk.
For cloud-side configuration and exposure, pair with Cloud Security. For Azure-specific posture, see Azure Security Posture & CIS Benchmark Review.
Zero Trust vs Product
Zero Trust is not a product
No single tool delivers Zero Trust. It's an architecture and operating model supported by identity, device, network, application, data and monitoring controls working together.
You probably don't need to replace systems
Most organisations can improve Zero Trust maturity by better configuring existing identity, endpoint, network, cloud and monitoring tools - not by buying new ones.
Understand to Support
A practical, staged engagement that delivers a Zero Trust roadmap aligned to your environment.
Review your systems, users, devices, applications, cloud platforms and current access model.
Assess identity, device, network, application and data controls against Zero Trust principles.
Identify the highest-risk gaps and recommend practical improvements.
Develop a Zero Trust roadmap that fits your business and technical environment.
Where required, support implementation planning, control uplift and ongoing governance.
Who It's For & What You Receive
Who This Service Is For
- Need to improve identity and access security
- Want to reduce excessive access
- Need stronger MFA and Conditional Access
- Need to reduce lateral movement risk
- Need to improve device-based access decisions
- Use M365, Entra ID, Azure, AWS or SaaS platforms
- Need a practical Zero Trust roadmap
- Want to improve security without complexity
Typical Deliverables
- Zero Trust maturity assessment
- Zero Trust architecture review
- Identity and access findings
- Conditional Access recommendations
- Device trust recommendations
- Network segmentation findings
- Application access review
- Cloud and SaaS access findings
- Risk-rated recommendations
- Zero Trust roadmap
- Executive summary
- Prioritised remediation plan
Where Zero Trust connects to the rest of the program.
Identity & Access Management →
Entra ID, AD, MFA, Conditional Access, PIM and the full identity program behind the architecture.
Cloud Security →
Cloud configuration, exposure and identity controls in the same Azure, AWS and GCP environments.
Azure Posture & CIS Benchmark →
CIS-aligned configuration review for Azure landing zones supporting Zero Trust controls.
Security Architecture & Design →
Broader architecture, threat modelling and design decisions Zero Trust principles support.
Security Integration & Engineering →
Hands-on rollout of Conditional Access, MFA, PIM, Intune and SIEM integrations.
Detection & Response →
SIEM, EDR and identity monitoring that surface suspicious access decisions in real time.
Penetration Testing →
Validation that the access controls actually hold up against real attacker techniques.
Governance, Risk & Compliance →
Audit evidence, control mapping and risk reporting that supports the Zero Trust program.
Zero Trust works best when it's realistic, staged and aligned to business needs. Talk to us about Zero Trust architecture, Conditional Access design, identity security, device trust, network segmentation or a Zero Trust roadmap.
Common Questions
What is Zero Trust Architecture?
Zero Trust Architecture is a security approach that removes implicit trust and verifies access based on identity, device, context, risk and business need.
Is Zero Trust a product?
No. Zero Trust is not a single tool or product. It is an architecture and operating model supported by identity, device, network, application, data and monitoring controls.
Do we need to replace our existing systems?
Not usually. Many organisations can improve Zero Trust maturity by better configuring existing identity, endpoint, network, cloud and monitoring tools.
Can you help with Conditional Access?
Yes. RTCS can review and design Conditional Access policies that support stronger access control without unnecessary user disruption.
Can you help with network segmentation?
Yes. RTCS can review internal and cloud network segmentation to reduce unnecessary access and lateral movement risk.
Is Zero Trust only for large organisations?
No. Zero Trust principles can be applied at different levels of maturity. The right approach depends on the organisation's size, systems, risk and resources.
Can you create a Zero Trust roadmap?
Yes. RTCS can assess current maturity and provide a practical roadmap for improving identity, device, network, application and data controls.
Not sure what you need?
Use the enquiry form or email [email protected] with a brief summary. Include your organisation, the service area if known, and any timing requirements.