Cisco & Meraki specialists. Across the UK.
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Connect. Secure. Manage.

Cisco Zero Trust Application Access

Assess and deploy supported private-application access through Cisco Secure Access, defining identities, connectors and application boundaries.

Cisco Partner since 2009 Projects & ongoing support

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Your network. Properly considered.Design · Implementation · Support
1,000+

Devices supported
across the UK

20+

Client locations
supported

Nearly 8 Tbps

Traffic handled
at peak time

3 min

Average
response time

Average response is not a resolution time or a contractual guarantee. Support scope and response commitments are agreed for each engagement.

Cisco zero trust application access grants an approved user access to a specific service. It does not rely on network location alone as proof of trust. We plan supported private-app access around identity, device context and the required traffic paths. The scope names the controls and ongoing tasks, rather than treating a product label as a safety guarantee.

01

Defined trust

Make access boundaries explicit rather than relying on an assumed internal network.

02

Controlled access

Connect identity, policy and network enforcement to the services people actually use.

03

Evidence for change

Test the intended security outcome and retain useful operational records.

Start with the application boundary

We find the app, its owners and the transactions users must complete. A browser interface may depend on extra APIs, identity redirects or background services. Those dependencies need to be understood before the access policy can be narrowed reliably.

The scope also distinguishes interactive users from servers and automated processes. An access method suitable for a person signing in through a client or browser may not suit a service account or application-to-application flow. We record those cases rather than forcing every connection through one model and creating broad exceptions when it does not work.

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Define identity and contextual requirements

The customer decides which users or groups may reach each app and which supported device conditions are required. We map those decisions to the chosen Cisco service and its identity integration. A successful sign-in is not the same as authorisation to every private resource.

We review how identity is maintained and revoked. Joiners, role changes, leavers and temporary third parties need predictable treatment. Any reliance on group synchronisation or session reassessment is documented and tested. We avoid promising immediate withdrawal in every case without checking the actual mechanism and the behaviour of established app sessions.

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02Resilient infrastructure from rack to service path.

A useful starting point

Not sure where to start?

Bring the requirement. We will help you define the engineering work.

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Choose the supported access method

Client-based and clientless access can have different protocol and app constraints. We assess the actual app rather than assuming that all private services work through the same connection type. Legacy protocols, embedded links or unusual authentication flows may require a different supported design.

The proposal identifies those limitations before migration. An app that cannot fit the intended model may remain on a separately controlled network-access service while another solution is assessed. That is more honest and supportable than claiming universal compatibility or disguising broad VPN access as narrowly scoped app access.

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03Data-centre connectivity with clear physical and logical boundaries.

Place connectors and network controls deliberately

Where connectors or other private-resource components are used, we review their placement, permissions and resilience. The service needs access to the intended app, not unrestricted reach into every internal network. We map routes, DNS and firewall boundaries so that the connector's own privileges are understandable.

Administrative and app traffic are separated where appropriate. The customer should know who can change the connector, which credentials it uses and how its health is monitored. A component that becomes essential to remote app access needs a maintenance and recovery plan, not just a successful initial registration.

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04Visibility, monitoring and operational control.

Test the application and the denial cases

Acceptance follows a complete user transaction, including sign-in, data access and any secondary app calls. We test representative operating systems and network locations, then check that an unauthorised user or inappropriate device is refused. A landing page loading successfully does not prove that the full workflow is usable or correctly restricted.

We also test attempts to reach resources outside the approved scope. The aim is to show the intended app boundary, not merely to prove that the user can connect somewhere. Evidence records the chosen identity, applied policy and observed result without exposing unnecessary personal or app data.

Illustrative Cisco and Meraki data-centre network infrastructure
05Network infrastructure designed around the workloads it carries.

Consider availability and user recovery

The design sets out dependencies on identity, endpoint components, connectors and network paths. We agree what happens when one is unavailable and how support staff distinguish those conditions. A secure denial may be the intended response. But the business still needs a way to communicate the incident and restore service.

Emergency access, where required, is separately approved and limited. It should not remain as an unrestricted parallel route after the new service is introduced. We document how it is invoked, monitored and removed so that the recovery plan does not undermine the normal access model.

The acceptance record also covers linked services used during the app workflow. Redirects, file downloads and separate authentication endpoints may require extra definitions or a different supported access method. We test those dependencies clearly so a successful initial page load is not mistaken for proof that the complete business process works.

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06Fibre, switching and the physical path behind the service.

Keep the policy aligned with application change

Applications evolve, and new dependencies can invalidate a previously tested access design. MCI supplies a change checklist covering new destinations, identity behaviour and client needs. This work can form part of Cisco Secure Access rollout or a focused private-access project. The result is an application-specific policy with tested limits and named owners, rather than a general promise that adopting a zero-trust product eliminates the need for ongoing engineering.

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07Enterprise switching and routing, built to be operated.

Technical references

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08Resilient infrastructure from rack to service path.

Talk to a specialist

What does your network need next?

Tell us what you are planning, changing or trying to improve. We will help define a practical next step and the engineering scope.

+44 203 196 6566

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sales@proxar.co.uk

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Most of our engineers are based in Kent, with a focus on London, Sussex, Essex and Berkshire.

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