TL;DR: Hardware-based RADIUS creates cost, maintenance, and scaling problems for Wi-Fi and VPN authentication, while cloud delivery centralizes policy and removes on-premises infrastructure burden according to JumpCloud. For IAM and NHI teams, the real shift is from appliance management to identity-backed network access governance.
NHIMG editorial — based on content published by JumpCloud: RADIUS in the cloud for secure network access
Questions worth separating out
Q: How should teams govern Wi-Fi and VPN access when RADIUS moves to the cloud?
A: Treat cloud RADIUS as part of the identity control plane, not a separate network utility.
Q: When does hardware-based RADIUS become a governance liability?
A: It becomes a liability when authentication, failover, and scaling depend on a single appliance tier that cannot keep pace with distributed work.
Q: What do security teams get wrong about cloud network authentication?
A: They often assume moving RADIUS to the cloud is only a hosting change.
Practitioner guidance
- Audit RADIUS as an identity dependency Inventory every Wi-Fi and VPN path that relies on RADIUS, including failover, certificate issuance, and directory lookup dependencies.
- Replace shared network secrets with unique identity-bound access Use per-user and per-device credentials so access can be revoked without changing a shared secret across the estate.
- Test authentication resilience before migration Validate how the access layer behaves during identity-provider outages, certificate expiry, and site connectivity loss.
What's in the full article
JumpCloud's full article covers the operational detail this post intentionally leaves for the source:
- Step-by-step setup guidance for cloud-based RADIUS deployment across Wi-Fi and VPN environments
- Specific configuration flow for pointing network devices to JumpCloud's cloud RADIUS service
- Platform-level details on centralized access administration and policy enforcement
- Implementation context for organisations replacing physical RADIUS servers with a cloud service
👉 Read JumpCloud's analysis of cloud RADIUS for Wi-Fi and VPN access →
Cloud RADIUS and network access control: what changes for IAM teams?
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