CYBERSECURITY SERVICES

Zero Trust Network Access (ZTNA)

Secure access to business applications and critical resources with Zero Trust Network Access (ZTNA). Help protect your organisation through identity-aware access policies, controlled connectivity and verification of users and devices before access is granted.

Tech4UK helps organisations adopt a Zero Trust approach that supports secure remote work, least-privilege access and controlled connections to private applications across cloud, on-premises and hybrid environments.

✓ Identity-Based Access ✓ Least-Privilege Policies ✓ Secure Remote Connectivity
ZERO TRUST ACCESS ARCHITECTURE
Remote Users Anywhere access
Managed Devices Device compliance
Partners Controlled access
ZERO TRUST GATEWAY

Verify Before Access

Apply access policies before connecting users to protected resources.

✓ Identity verification ✓ Device and context checks ✓ Least-privilege policies
Cloud Apps SaaS and cloud
Private Systems Internal resources
Business Apps Protected workloads
Continuous Access Monitoring Visibility into access activity and policy decisions
MONITORING
Zero Trust Security

Access That Is Verified, Not Assumed.

Modernise secure connectivity with Zero Trust Network Access (ZTNA). Give authorised users controlled access to the applications they need without automatically trusting their network or location.

Tech4UK helps organisations strengthen remote and hybrid access by evaluating identity, device posture and access context before granting connections to private applications. Apply least-privilege policies, reduce unnecessary network exposure and improve visibility across cloud, on-premises and hybrid environments.

✓ Identity-based access verification
✓ Device posture and context checks
✓ Least-privilege application access
✓ Centralised access visibility
Discuss ZTNA Solutions →
Zero Trust Network Access security concept with identity verification and secure application access
Identity • Device • Context Every Connection Must Earn Trust...
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Access Policy Enforced Identity and device checks applied
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Private App Access Connect users to approved resources
OUR ZTNA CAPABILITIES

Secure Every Connection. Control Every Access Request.

Strengthen remote and hybrid access with Zero Trust Network Access solutions designed to verify identities, assess device context and provide controlled access to private applications and business resources.

01

Identity Verification & Authentication

Verify users before granting access to protected applications. Integrate identity-aware policies and supported authentication controls to help ensure connections are based on verified identities.

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02

Device Posture & Security Assessment

Evaluate supported device health and compliance signals before access is granted. Apply device-aware policies to help reduce exposure from unmanaged or non-compliant endpoints.

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03

Private Application Access

Enable authorised users to connect to approved business applications and private resources without automatically granting broad access to the underlying network.

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04

Least-Privilege Access Policies

Define access according to user roles, application requirements and organisational policy. Limit permissions to approved resources and reduce unnecessary access across business environments.

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05

Context-Aware Access Decisions

Use available signals such as identity, device status, location and session context to inform access decisions. Apply policies appropriate to the request and its assessed risk.

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06

Access Visibility & Monitoring

Improve visibility into access activity and policy decisions through supported logging and monitoring integrations. Help security teams investigate suspicious access and review policy effectiveness.

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STRENGTHEN YOUR ACCESS SECURITY

Verify Every User. Protect Every Application.

Explore a Zero Trust Network Access approach aligned with your organisation's applications, users, devices and security requirements.

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ZERO TRUST ACCESS SECURITY

Secure Access with a Zero Trust Approach.

Traditional network access models can grant broader connectivity than users require. Zero Trust Network Access helps organisations make access decisions based on verified identity, device context and defined security policies rather than trusting a connection simply because of its location.

Explore ZTNA Solutions
01

Identity Verification & Authentication

Verify user identities before granting access to protected applications. Apply supported authentication controls and identity-aware policies to help ensure access is granted only to authorised users.

02

Device Posture & Compliance

Assess available device health and compliance signals before allowing a connection. Apply device-aware access policies to help reduce risks from unmanaged or non-compliant endpoints.

03

Least-Privilege Application Access

Limit users to the applications and resources required for their roles. Reduce unnecessary network exposure through granular access policies instead of automatically trusting the wider network.

04

Context-Aware Access & Visibility

Use available identity, device and session context to inform access decisions. Improve visibility through supported logging and monitoring integrations to help investigate suspicious activity.

i

Zero Trust principle: No user or device is automatically trusted based on network location alone. Access should be verified and authorised according to defined policies, with permissions limited to approved resources and activity monitored where supported.

OUR ZTNA IMPLEMENTATION PROCESS

From Access Risks to Stronger Zero Trust Security.

Our structured approach helps your organisation assess existing access risks, define Zero Trust policies, implement controlled application access and continuously improve your security posture.

01

Discover & Assess Access

Review existing remote access methods, user groups, devices, applications and network dependencies. Identify excessive connectivity, access gaps and opportunities to reduce exposure.

✓ ACCESS RISK ASSESSMENT
02

Design Zero Trust Policies

Define identity verification requirements, device posture checks, application-level permissions and access rules aligned with your organisation's security objectives and business needs.

✓ ZERO TRUST ACCESS PLAN
03

Implement & Integrate

Deploy the agreed ZTNA controls across supported applications and environments. Integrate identity providers and device security signals where supported, and validate access policies before production rollout.

✓ CONTROLLED ACCESS DEPLOYED
04

Monitor & Optimise

Review access activity, policy decisions and available security signals. Refine permissions and access rules as user needs, device conditions, applications and risks evolve.

✓ CONTINUOUS ACCESS IMPROVEMENT

A Zero Trust strategy built around your environment

Tailor your access architecture to your applications, identity systems, remote workforce, device requirements and security priorities.

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Verified User Access Validate identities before granting application access
Device-Aware Security Apply access policies using supported device posture checks
Least-Privilege Connectivity Restrict access to authorised applications and resources
Continuous Access Improvement Review access activity and refine security policies
SPECIALIZED ZTNA APPLICATIONS

Secure Access Across Your Digital Workplace.

Apply Zero Trust Network Access across remote work, cloud applications, private business systems and third-party connections. Help ensure users access only the resources they are authorised to use.

01

Remote & Hybrid Workforce

Provide employees with controlled access to approved business applications when working remotely or across hybrid environments, using identity-aware access policies instead of relying solely on network location.

02

Private Application Access

Connect authorised users to private web applications, internal business systems and selected services without automatically exposing the wider corporate network.

03

Cloud & Hybrid Environments

Apply consistent access policies across supported cloud, on-premises and hybrid environments, helping organisations manage connections to distributed applications and resources.

04

Third-Party & Contractor Access

Provide vendors, contractors and external partners with appropriately restricted access to approved systems, helping reduce unnecessary connectivity to sensitive internal resources.

05

Device-Aware Access Control

Use supported device posture and compliance signals alongside identity and access policies to help determine whether a device meets the requirements for connecting to protected applications.

06

Secure Access Monitoring

Improve visibility into access activity and policy decisions through supported logging and monitoring integrations, helping security teams investigate unusual access and review controls.

Ready to Modernise Your Network Access Security?

Explore a Zero Trust approach tailored to your workforce, applications, devices, external users and security requirements.

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ZERO TRUST ACCESS ACROSS INDUSTRIES

Secure Access for Your Industry's Needs.

Every industry has different access requirements and security risks. We help organisations apply identity-aware access policies, restrict connectivity to authorised resources and improve visibility across critical business systems.

Banking & Financial Services

Help protect financial applications, transaction systems and sensitive customer information by restricting access to approved users and authorised resources, with stronger controls for remote and administrative connections.

Healthcare

Enable authorised clinical staff, administrators and IT teams to access approved healthcare applications and patient systems while helping limit unnecessary connectivity to sensitive clinical environments.

Government & Public Sector

Apply controlled access to departmental applications, internal services and sensitive government systems, helping support least-privilege access and more consistent remote access policies.

Retail & E-commerce

Control employee, supplier and administrator access to e-commerce platforms, inventory systems, retail applications and customer data environments across distributed locations.

Logistics & Supply Chain

Help secure access for warehouse teams, transport operators, suppliers and external logistics partners across approved operational applications and distributed business systems.

Professional Services

Protect client platforms, confidential documents and internal business applications by providing employees, contractors and approved third parties with appropriately scoped access.

FREQUENTLY ASKED QUESTIONS

Understand ZTNA Before You Begin.

Learn how Zero Trust Network Access helps organisations secure remote connections, control application access and protect critical business resources through identity-aware security policies.

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01 What is Zero Trust Network Access (ZTNA)?
Zero Trust Network Access (ZTNA) is a security approach that provides controlled access to specific applications and resources based on defined policies. It verifies users and, where supported, considers device posture and other contextual signals before allowing access. Rather than automatically trusting a connection because it originates inside a network, ZTNA applies access controls to individual users, devices and resources.
02 Why is ZTNA important for cybersecurity?
Traditional network access can provide broader connectivity than users need, increasing the potential impact of compromised credentials or devices. ZTNA helps restrict access to authorised applications and resources, reducing unnecessary network exposure. When combined with identity security, endpoint protection and monitoring, it can strengthen an organisation's overall security posture.
03 How does ZTNA work?
ZTNA evaluates an access request against configured policies. Depending on the solution, checks may include user identity, authentication status, device security posture, requested application and contextual information. If the request satisfies the applicable policies, access is granted to the permitted resource. Access policies and session controls determine how connections are managed after access is established.
04 What is the difference between ZTNA and a VPN?
A traditional VPN commonly establishes a connection to a network or defined network segment, depending on its configuration. ZTNA generally focuses on granting access to specific applications and resources according to identity and policy. This can reduce unnecessary network-level access. The appropriate choice depends on application requirements, legacy systems, architecture and the organisation's security objectives.
05 Can ZTNA support remote and hybrid working?
Yes. ZTNA can help employees access approved business applications from supported remote and hybrid working environments without automatically granting broad access to the corporate network. Access can be governed by identity, device and contextual policies supported by the selected solution. Implementation should account for application compatibility, user experience and secure access requirements.
06 Does ZTNA work with cloud and on-premises applications?
Many ZTNA solutions support access to applications hosted in cloud, on-premises and hybrid environments. The available integration methods depend on the platform, application architecture, connectivity requirements and deployment model. An initial assessment can identify which applications are suitable, what integrations are required and whether any legacy systems need a different access approach.
07 Can ZTNA provide secure access for vendors and contractors?
Yes. ZTNA can help provide external partners, contractors and vendors with controlled access to approved applications without giving them unrestricted access to internal resources. Organisations can define access permissions, authentication requirements and session policies appropriate to each external user. Access should be reviewed regularly and revoked when it is no longer required.
08 How does ZTNA support a Zero Trust security strategy?
ZTNA is one component of a broader Zero Trust strategy. It helps enforce access decisions for applications and resources, while identity governance, multifactor authentication, endpoint security, privileged access controls and monitoring provide complementary protections. Effective Zero Trust implementation also requires appropriate policies, visibility, ongoing assessment and continuous improvement rather than relying on a single technology.
09 How long does ZTNA implementation take?
Implementation timelines depend on the number of users and applications, existing infrastructure, identity integrations, device management capabilities and policy requirements. A limited pilot covering selected applications may be simpler than a large-scale rollout across multiple locations and legacy systems. Tech4UK can help assess the environment, prioritise applications and define a phased implementation plan.
10 Can ZTNA help with compliance and access monitoring?
ZTNA can support security governance by helping enforce access policies and providing access logs or reporting where supported by the solution. These records can assist with reviews and investigations, subject to logging configuration and retention settings. Compliance requirements vary by industry and applicable regulations, so ZTNA should be implemented alongside the wider technical, organisational and documentation controls required. Using ZTNA alone does not guarantee compliance.
TAKE THE NEXT STEP

Secure Every Connection. Trust No Access by Default.

Strong access security starts with verifying users, evaluating access requests and limiting connectivity to authorised applications. Speak with Tech4UK about your ZTNA requirements and explore practical ways to strengthen remote access, reduce unnecessary network exposure and improve visibility across your organisation.

✓ Identity-aware access policies ✓ Least-privilege connectivity ✓ Improved access visibility
YOUR ZTNA ROADMAP GET STARTED

Verify Access.
Protect Applications.

Build a structured Zero Trust approach around your users, devices, applications and business access requirements.

01 Assess applications, access requirements and risks
02 Define identity-aware and least-privilege access policies
03 Plan deployment, monitoring and continuous improvement
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