Zero Trust Network Access · ZTNA Implementation
SSL VPN was designed for a different era — a small number of trusted users connecting from known locations. ZTNA replaces it with identity-bound, role-aware, application-specific access that meets modern audit and security requirements. We design and deploy ZTNA on Fortinet’s platform, integrated with your identity provider, with the kind of operational discipline that means it actually works in production rather than getting bypassed for tickets.
Track Record
We only do networks. That is not a limitation — it is why the outcomes are different.
Years of network-only practice. Architecture, security, and operations — not IT generalism.
Sites delivered. Healthcare clinics, law offices, financial branches, multi-site operations.
Unplanned downtimes following network redesigns. Every implementation, with the precision it requires.
Senior engineer–led. No junior handoffs. No ticket queue. No escalation chain.
Career aggregate. The 20+ years and 300+ sites span the operator’s full network-only practice, including prior-employer engagements. Zero unplanned downtimes reflects post-redesign performance on engagements where the architecture standard described above was applied.
Why ZTNA Replaces VPN
Legacy VPN gives a connected user broad network access — once they’re on, they can probe far more than they need. ZTNA flips that: access is per-application, identity-bound, role-aware, fully logged. Auditors love it. Compromised credentials do less damage. The user experience is often better (single sign-on, no fat client). The architectural shift is significant; the implementation needs to match.
ZTNA only works when access decisions are tied to your identity provider (Entra ID, Okta, Google Workspace, or others). We integrate properly with whatever you have, including conditional access policies, MFA enforcement, and session-binding so a stolen token doesn’t open the network.
Legacy VPN gives a connected user broad network reachability — once on, they can probe the rest of the network. ZTNA flips that: each application gets its own access policy, evaluated per-session against identity + posture + context. A compromised credential opens far less than it does on legacy VPN.
Every access decision logged: who, when, what application, what device posture, what enforcement outcome. Auditors love it; SOC 2 and HIPAA controls map cleanly. Compare to SSL VPN logs that just show "user X connected" with no application-level detail.
We’re a Fortinet Engage Advocate Partner with depth on Fortinet ZTNA — the unified ZTNA / SASE / SD-WAN / firewall platform. Most clients already have FortiGate; ZTNA is a license + configuration layer rather than a new vendor relationship. For non-Fortinet shops, we work with Cloudflare Access, Zscaler ZPA, and others where the existing stack favors them.
ZTNA Implementation Phases
ZTNA done right has clear phases. Skipping any of them is how teams end up with a "ZTNA deployment" that users bypass back to the legacy VPN.
List every internal application currently reachable over VPN. Map each to: who needs access, from what devices, with what authentication strength. Most organizations are surprised by what they find — ZTNA forces a clarifying conversation about what people actually use.
Integrate ZTNA with your identity provider (Entra ID, Okta, Google Workspace, others). Define MFA enforcement, conditional access policies, session lifetime, device-posture requirements. Without this layer, ZTNA is just a fancier VPN.
Pilot ZTNA with a defined user group on 1–3 applications. Run alongside legacy VPN for 2–4 weeks. Validate user experience, application performance, and access logging. Migrate other applications and user groups in waves once the architecture is proven.
The often-skipped final phase. Once ZTNA covers all required access, decommission the legacy VPN. Remove the SSL VPN client from devices. Remove the firewall’s VPN listener. Most organizations leave the legacy VPN running "just in case" and never realize the security benefit. We close the loop.
ZTNA needs ongoing tuning — new applications added, new user groups onboarded, policy refinement based on usage logs, conditional-access policy updates as your organization changes. Most clients transition from implementation to a managed-operations engagement post-deployment.
Common entry point: a senior engineer reviews your current remote-access posture (VPN architecture, identity integration, application access patterns) and delivers a written report with prioritized recommendations and a phased ZTNA migration path. Yours to keep regardless.
Common ZTNA Use Cases
ZTNA implementations usually start with one or two of these specific use cases, then expand once the architecture is proven.
National scope — ZTNA implementations are remote engineering work. Identity-provider integration, application onboarding, and policy authoring all happen remotely. On-site presence isn’t typically required.
Our Approach
No mystery. No black box. Every step is documented, explained, and approved before execution.
A complete risk assessment of your current network. Configurations reviewed. Segmentation validated. Gaps documented. You get a clear picture — not a sales pitch.
Address critical risks first, then build toward a standardized architecture. Every change documented, tested, and deployed without disruption.
Ongoing monitoring, change management, and architectural review. The network does not just work today — it evolves with your operations.
Your Engineer
Not a team of rotating technicians. Not a ticket queue. One named senior engineer who knows your environment, your compliance requirements, and your business context — from assessment through ongoing operations.
The person who designs your network is the person who maintains it. No handoffs. No abstraction. No loss of context when something breaks at 2 a.m.
Background: Founder, ex-Meta. Past engagements include Cisco, Wells Fargo, Fannie Mae, and other Fortune 500 networks — the same caliber of engineering, now applied to mid-market organizations.
Ambio Edge Networks works with industry-leading networking and security vendors to deliver the infrastructure your operations depend on.
Best-Fit Buyer Profiles
ZTNA fits any organization with remote access — but the ROI is sharpest in these buyer profiles.
Companies preparing for SOC 2 audit cycles or facing customer security questionnaires that ask about remote-access controls. ZTNA produces audit evidence (per-application access logs, identity-bound authentication, conditional-access enforcement) that legacy VPN simply cannot.
HIPAA Security Rule technical safeguards (access controls, audit controls) are direct fits for ZTNA capabilities. Replacing legacy SSL VPN with ZTNA dramatically improves the documentation auditors expect and reduces the blast radius if a clinician’s credentials get phished.
Companies post-acquisition with multiple legacy VPN systems from different vendors. ZTNA provides a single consolidated remote-access plane that works across the merged environment without forcing immediate IT consolidation.
Organizations that grant network access to external vendors, contractors, freelancers, or auditors. ZTNA constrains each party’s access to the specific applications they need, with full logging — rather than putting third parties on the corporate VPN with unconstrained reachability.
If your security team is uncomfortable with full corporate VPN access from personal devices but business needs require remote access, ZTNA solves it. Per-application policies + device-posture checks let you grant access to specific applications without giving the personal device broad network reach.
Multi-site organizations using site-to-site VPN tunnels to reach centralized applications. ZTNA can replace site-to-site VPN with per-application policies that perform better and produce far better security telemetry — particularly relevant for SD-WAN modernization projects.
FAQ
"Next-gen VPN" is mostly marketing — an SSL VPN with MFA bolted on. Real ZTNA is architecturally different: each application connection gets its own policy evaluation; the user never reaches the network broadly; access is per-session and identity-bound; logging happens at the application layer. If a vendor calls their SSL VPN "ZTNA-ready" without restructuring how access is granted, they’re selling the marketing, not the architecture.
No. We primarily implement Fortinet ZTNA because most clients we work with already have FortiGate firewalls, making ZTNA a license + configuration extension rather than a new vendor relationship. For non-Fortinet shops, we work with Cloudflare Access, Zscaler ZPA, Palo Alto Prisma Access, and others. The right ZTNA platform depends on what identity provider, edge stack, and user volume you have.
The major ones: Microsoft Entra ID (formerly Azure AD), Okta, Google Workspace, Ping Identity, JumpCloud, OneLogin. SAML or OIDC integration depending on the IDP and ZTNA platform. We’ve also done custom RADIUS-based integrations where required.
Legacy thick-client applications that require specific TCP/IP behaviors are sometimes difficult to put behind ZTNA. We assess this during Phase 1 (application inventory) and either: route those apps through a ZTNA-aware proxy, retain a constrained-VPN path just for them, or recommend a remote-desktop intermediary. There’s rarely an application we can’t handle — just trade-offs to choose between.
Implementation projects (Phase 1 through Phase 4) typically run $15,000–$60,000 for organizations with 50–500 users, depending on application count, identity-provider complexity, and how aggressively the legacy VPN gets replaced. License costs are passed through (typical: $5–$15/user/month for ZTNA platform license, depending on vendor and feature tier). Real numbers come out of Phase 1 assessment.
End-to-end implementation typically runs 2–6 months: Phase 1 (1–2 weeks), Phase 2 (2–4 weeks for IDP integration), Phase 3 (4–12 weeks for pilot + waves), Phase 4 (1–2 weeks for VPN decommission). Smaller environments and Fortinet-already-in-place clients often complete in 6–10 weeks total.
Start the ZTNA Implementation
A senior engineer reviews your current remote-access posture — VPN architecture, identity integration, application access patterns, audit posture — and delivers a written report with prioritized findings and a phased ZTNA migration path. Whether you continue with us or not, the report becomes a real working document for your team.
Response from a senior engineer within 1 business day.
A direct conversation — no sales team, no runaround.
An honest assessment of whether we are the right fit.
Clear next steps if we are — no pressure if we are not.
