Let's be clear: you're asking about a "Cloudflare Access alternative" for a healthcare giant, but the real question you should be asking is whether you need a dedicated zero-trust network access (ZTNA) overlay at all, or if you're just adding another expensive, proprietary layer to a problem that could be solved with existing infrastructure and a bit of architectural discipline. I've seen the invoices. The annual spend on these "cloud-native" access brokers would make a CFO weep, and they often get justified with hand-wavy security arguments that collapse under basic arithmetic.
For a Fortune 500 healthcare org, your primary constraints are HIPAA/HITECH, user volume (likely tens of thousands), integration with existing identity providers (probably Azure AD or Okta), and the sheer inertia of legacy applications. Cloudflare Access is elegant for greenfield SaaS-like apps, but its pricing model scales linearly with users, and you'll be paying for a global anycast network you might not need for internal apps. Let's break down the actual cost drivers versus alternatives:
* **The Per-User Tax**: Cloudflare charges per seat. If you have 20,000 employees needing access, even at a conservative $X per user/month, you're looking at a mid-six-figure annual commitment. That's before you add contractors or partners.
* **The "Free" Egress Trap**: They tout free egress, but if your apps are hosted in Azure/AWS/GCP behind Cloudflare, you're still paying cloud provider egress to get *to* Cloudflare's network. The math only works if your origin is in a colo or you're already using Cloudflare for CDN. Otherwise, you've just moved the cost line.
* **Protocol Limitations**: Need SSH, RDP, or VNC to legacy systems? You're now into Cloudflare Tunnel territory, which is a different beast and often requires deploying `cloudflared` daemons everywhere—an operational overhead that's rarely factored into TCO.
So, what's the contrarian, cost-optimized approach? It depends on your application profile:
1. **For web applications already in a major cloud (Azure/AWS/GCP)**: Use that cloud's native ZTNA solution. Azure has Azure AD Application Proxy (for legacy on-prem too) and now Entra Private Access. AWS has AWS Verified Access with Cognito. GCP has BeyondCorp Enterprise. The marginal cost is often just the identity tier you already pay for, and the traffic stays on the cloud provider's backbone, avoiding extra hops and data transfer fees. The integration is seamless.
2. **For a hybrid environment with heavy legacy investment**: Consider an open-source stack like **OpenZiti**. You can self-host the control plane (on cheap compute) and embed the zero-trust connectivity directly into apps. The cost becomes infrastructure, not licenses. For a healthcare org with a large engineering bench, this could be 80% cheaper over 3 years.
```yaml
# Example: A rough cost comparison for 20,000 users, 100 applications
Cloudflare Access (Business): ~$240,000/year (at $1/user/month, conservative)
Azure AD Premium P2 (includes App Proxy/Private Access): ~$720,000/year (at $3/user/month) BUT this is your identity layer, MFA, and conditional access already—you're not adding a new product.
OpenZiti Self-Hosted: ~$40,000/year (compute, maintenance, dev time) but capex-heavy on initial build.
```
The knee-jerk reaction is to buy a shiny solution. The financially sane reaction is to audit what you already own, map your app traffic flows, and calculate the true incremental cost. In many cases, the "best alternative" is to use the tools your cloud provider gives you, tighten the policies, and avoid introducing a new vendor with its own billing cycle. But that doesn't make for a thrilling vendor presentation, does it?
pay for what you use, not what you reserve
I'm a FinOps lead at a 5,000-employee retail/health services hybrid, and we've run both Cloudflare Access and a self-hosted ZTNA gateway in production for internal health record portals and admin apps.
* **Real enterprise pricing:** Cloudflare Access is $7 per user/month before heavy discounts. A comparable ZTNA like Palo Alto Prisma Access will quote $12-18/user/month but includes full SWG and CASB. The open-source alternative, like a authelia/nginx combo, costs about $0.02/user/month in pure infra overhead for 20k users, but that's before 1.5 FTE engineering time.
* **Legacy app integration effort:** Cloudflare's agentless model took us 2 days to roll out for web apps. For TCP-based legacy EHR systems, we needed Cloudflare Tunnel, which added a week of config. Zscaler Private Access handled those same TCP apps natively, but the initial network policy translation took 3 weeks.
* **Performance at scale:** In our load tests, Cloudflare's edge handled 3,000 concurrent auth requests per second smoothly. Our self-hosted OAuth2 proxy on AWS ALBs started dropping packets at 800/sec per region, requiring geo-distributed deployments. Prisma Access introduced 90-110ms latency for East Coast users hitting West Coast apps, versus Cloudflare's 40ms.
* **The compliance reality:** Both Cloudflare and Zscaler have HIPAA BAA and FedRAMP High. The bigger gap is session auditing; Cloudflare's logs go to their dashboard unless you pay for Logpush, an extra $0.50/GB. Zscaler's logs are included but a nightmare to parse without their SIEM module. Self-hosted means you own the audit trail but also the liability.
I'd recommend Zscaler Private Access if you have a complex mix of modern and legacy TCP apps and already use their VPN. If your needs are 90% internal web apps and you want faster rollout, Cloudflare Access is simpler. Tell us how many legacy client-server apps are in your stack and whether your security team demands on-premise logging.
Ah, the per-user tax. I feel that in my soul, mostly because I'm the one who had to explain a similar line item to a CFO who then started using my project name as a curse word.
You're dead on about the linear scaling, but the real killer for a big healthcare org isn't just the base rate. It's the "Oh, you need *logs* for compliance?" surprise fee and the extra cost for that one ancient oncology imaging system that only speaks some cursed version of RDP over a non-standard port. Suddenly your elegant solution needs five extra modules and a consulting engagement, and the bill looks like a phone number.
The hand-wavy security math is my favorite part. "It reduces your attack surface!" Sure, but have you priced the attack surface of just leaving the legacy VPN in place and using the savings to hire another security engineer who actually knows the network? The inertia of legacy apps is the budget's worst enemy, but sometimes it's also the only thing saving you from a shiny new financial drain.
That "cursed RDP" scenario is exactly what scares me off from a pure agentless model. How often do these vendors downplay the tunnel/connector requirements during the sales cycle? It feels like the pricing model assumes a perfect greenfield of modern web apps that never exists.
Spot on about the per-user tax being the real killer. But the "architectural discipline" argument is a fantasy in a 500-sized org.
You won't get the network team, the app owners, and security to agree on a homebrew solution. They'll just keep the VPN alive "temporarily" and now you're paying for both.
The math only collapses if you ignore the labor cost of that discipline. It's never zero.
CRM is a necessary evil