Where is Zero Trust defined on this site?

The canonical Zero Trust reference (aligned to NIST 800-207) lives on the Network Security page. This page focuses on the connectivity pillar — SASE, SSE and ZTNA — as the enforcement fabric for that model.

Do we still need traditional VPN once ZTNA is in place?

User VPN is progressively retired in favour of ZTNA (per-application access, device posture and MFA). Site-to-site IPsec remains for data-centre interconnect, disaster recovery and OT connectivity where identity-based access is not applicable.

How does SASE differ from a traditional firewall stack?

SASE delivers SWG, CASB, ZTNA and FWaaS as a global cloud service consumed from any location — replacing hub-and-spoke branch appliance stacks. Security policy follows the user and device rather than the site.

Which SASE, SSE and ZTNA platforms do you work with?

Multi-vendor across Zscaler Zero Trust Exchange, Netskope, Cato Networks, Palo Alto Prisma Access, Cisco Umbrella / Secure Access, Fortinet FortiSASE and Cloudflare — integrated with Microsoft Entra ID, Okta or Duo for identity, MFA and conditional access.

How long does a typical SASE or ZTNA rollout take?

Identity and MFA baseline in weeks; ZTNA for critical applications in two to three months; full SWG, CASB and FWaaS cut-over in six to twelve months, phased by business unit and site to minimise risk.

SASE, SSE, ZTNA & Secure VPN

Identity-aware, cloud-delivered secure access for every user, device and location.

SASE and ZTNA engagements consult, design, migrate and support Secure Service Edge (SSE), CASB, SWG, FWaaS and IPsec / SSL VPN — converged as one policy fabric and integrated with Microsoft Entra ID, Okta or Duo for MFA, conditional access and single sign-on across the enterprise.

"Identity-aware. Cloud-delivered. Everywhere."

Access Model

Identity-aware

MFA, SSO, conditional access and device posture at the edge.

Enforcement Fabric

Cloud-delivered

SASE, SSE, ZTNA, SWG, CASB and FWaaS consumed as a service.

Platform Coverage

Multi-vendor

Zscaler, Netskope, Cato, Palo Alto, Cisco, Fortinet and Cloudflare.

Every session, five checks

User
Identity verified via SSO
Device
Managed / unmanaged posture check
Identity
MFA & conditional access
Policy
Per-application decision at the edge
App
Least-privilege session, logged

Legacy VPN

Full-tunnel network access
Trust after login
Concentrator bottlenecks
One rule for everyone

ZTNA / SASE

Per-application access
Continuous verification
Cloud edge, no backhaul
Identity + posture aware

Scope in detail

SASE & Secure Service Edge (SSE)
Cloud-delivered SASE / SSE architectures — converging SD-WAN with SWG, CASB, ZTNA and FWaaS on a single global fabric — designed and integrated on Zscaler Zero Trust Exchange, Netskope, Cato Networks, Palo Alto Prisma Access, Cisco Umbrella / Secure Access, Fortinet FortiSASE and Cloudflare. Delivers consistent policy for users, devices and applications from any location.
Zero Trust Network Access (ZTNA)
Per-application, identity- and posture-aware access replacing legacy always-on VPN — users reach only the applications they are entitled to, on managed or unmanaged devices, with continuous verification aligned to NIST 800-207 Zero Trust principles.
Identity Integration, MFA & SSO
Integration with Microsoft Entra ID, Okta, Duo and Google Workspace for single sign-on, multi-factor authentication, conditional access and device posture — the authoritative identity layer for SASE, ZTNA and SaaS access.
Secure Web Gateway & CASB
Cloud SWG for URL filtering, TLS inspection, malware protection and DLP on web and SaaS traffic; CASB for shadow-IT discovery, SaaS posture management and inline controls on sanctioned applications such as Microsoft 365 and Google Workspace.
FWaaS & Cloud Firewall
Cloud-delivered next-generation firewall inspection for branch, remote-worker and cloud egress traffic — retiring branch-office appliances in favour of a scalable, centrally managed inspection tier at the secure edge.
IPsec & SSL VPN
Site-to-site IPsec VPN for data-centre interconnect, disaster-recovery links and OT networks, with MFA-enforced SSL VPN where ZTNA rollout is still in flight — designed on Cisco Secure, Fortinet FortiGate, Palo Alto Networks, Check Point and Sophos platforms.
Remote Workforce & Browser Isolation
Secure access for hybrid and third-party workforces — clientless application access, remote browser isolation, unmanaged-device policies and Digital Experience Monitoring for SaaS and internal applications.
Consulting, Migration & Managed SASE / ZTNA
End-to-end lifecycle services: security consulting, multi-vendor architecture, phased migration from legacy VPN, policy engineering, integration with SIEM / SOC and managed operations under an agreed schedule with scheduled posture reviews.

Legacy remote-access strain points

VPN concentrators cannot scale to remote work
Full-tunnel VPN concentrators, static access lists and shared credentials struggle with remote-worker, contractor and BYOD populations that now exceed corporate site users.
Branch security appliances have proliferated
Every site runs its own firewall, proxy and web-filter stack, creating patch burden, policy drift and inconsistent inspection between locations.
SaaS traffic is unseen and uncontrolled
Microsoft 365, Google Workspace and long-tail SaaS bypass legacy inspection paths, so shadow-IT, data movement and sanctioned-application posture are not visible.
Identity and network policy live in separate stacks
Firewall rules, VPN groups, identity groups and application entitlements are managed by different teams and drift apart over time.

Migration from VPN to ZTNA

A phased secure-edge lifecycle covering assessment, multi-vendor architecture, migration from legacy VPN and ongoing policy operations.

Assess
Review remote-access population, application landscape, identity providers, existing perimeter stack and current SASE / ZTNA readiness.
Design
Produce a multi-vendor target architecture covering identity, ZTNA, SASE / SSE, SWG, CASB, FWaaS, VPN retention and policy model, with a phased migration plan.
Implement
Integrate identity providers, deploy connectors and cloud policy, migrate applications from VPN to ZTNA and integrate telemetry with SIEM / SOC tooling.
Operate & Review
Support the secure-edge estate under an agreed schedule with policy tuning, incident coordination and scheduled posture reviews.

SASE, SSE & ZTNA platforms

Zscaler
Netskope
Cato Networks
Palo Alto Prisma Access
Cisco Umbrella / Secure Access
Fortinet FortiSASE
Cloudflare

End-to-End IT Integration and Support

From assessment and solution design through implementation, remediation, ongoing support, and lifecycle optimization.

Fix What's Broken — Remediation Sprints

Wi-Fi dead zones, WAN performance issues, SD-WAN policy drift, or a network you can't see into during incidents? We run fixed-scope networking remediation sprints against a defined outcome.

LAN/WLAN survey, controller tuning and coverage/roaming fixes
SD-WAN, MPLS and internet-breakout policy cleanup and QoS tuning
Observability rollout: flow, telemetry, path-analytics and alert hygiene

Request a remediation scope

Support & Maintenance — AMC-Backed

Keep the network reliable after go-live — firmware, controller hygiene, ISP coordination and vendor-TAC escalation under a Jiva AMC or managed connectivity service.

L1/L2/L3 support for LAN, Wi-Fi, WAN, SD-WAN and network observability platforms
Preventive maintenance, firmware and ISP/carrier coordination with SLAs
Vendor-TAC escalation, licence renewal and network lifecycle refresh

Explore AMC & support contracts

SASE, ZTNA & VPN FAQs

Identity-aware access, cloud-delivered inspection and legacy VPN retirement.

Continue exploring

Modernise secure access

Replace legacy VPN with identity-aware secure access

Review current remote-access, branch inspection, SaaS visibility and identity integration. Jiva Technologies can assess, design, integrate, remediate and support a phased SASE, SSE and ZTNA programme aligned with identity, network and security teams.

Review Secure-Access Requirements Back to Networking