VPN alternatives expose the limits of network-based access control

At a glance

What this is: This is an analysis of why business VPN alternatives are replacing network-centric access with identity-centric controls and auditability.

Why it matters: It matters because IAM, PAM, and NHI programmes all need access that is scoped, logged, and revocable across humans, service accounts, and privileged systems.

By the numbers:

• Only 5.7% of organisations have full visibility into their service accounts.
• 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools.
• NHIs outnumber human identities by 25x to 50x in modern enterprises.

👉 Read StrongDM's analysis of VPN alternatives for modern business access

Context

Business VPN alternatives matter because network reach is no longer the same thing as authorised access. Modern environments mix legacy databases, Kubernetes, cloud services, contractors, and third-party vendors, so a perimeter-only model cannot tell IAM teams who accessed what, from where, or under which policy. The primary keyword here is VPN alternatives, but the real issue is identity-based access control.

The article describes a common operational failure in distributed infrastructure: access tools built for flat networks do not enforce least privilege or generate usable audit trails. That leaves PAM, IAM, and NHI governance carrying the burden of proving access intent, session scope, and accountability after the fact. In practice, this is a governance problem before it is a remote-access problem.

Key questions

Q: How should security teams replace VPN access with identity-based controls?

A: Start by identifying which resources need privileged access and then bind access to the identity, the session, and the resource itself. The goal is not just connectivity replacement. It is to remove broad internal reach, keep credentials off endpoints, and ensure every privileged action is logged in a way that auditors and responders can actually use.

Q: Why do VPNs create governance problems in hybrid infrastructure?

A: VPNs were designed to extend network trust, not to enforce modern privilege boundaries. In hybrid environments, that creates an access model where contractors, admins, and automation can all inherit too much reach after one connection event. The result is poor least privilege, weak accountability, and limited evidence when something goes wrong.

Q: What breaks when privileged access is controlled only at the network layer?

A: You lose fine-grained policy enforcement, session-specific auditing, and the ability to distinguish one task from another inside the same tunnel. That makes it much harder to prove who accessed what, revoke access cleanly, or limit blast radius if an account or endpoint is compromised.

Q: Who is accountable when third-party or service access is still routed through a VPN?

A: The accountable team is the one that owns lifecycle governance for the access path, not just the network. If vendors or service accounts can keep using broad access after their task ends, the organisation has an offboarding failure, not simply an access-tool problem. Auditors will expect revocation discipline and traceable ownership.

Technical breakdown

Why VPN architecture breaks least-privilege access

A traditional VPN places users inside a network boundary after authentication, but it does not continuously narrow what they can reach once inside. That creates broad internal reach, weak session scoping, and limited policy enforcement across systems with different trust models. In modern environments, that approach clashes with RBAC, Zero Trust, and task-scoped access requirements. When the same tunnel carries access to databases, servers, and cloud consoles, the network ceases to be a useful control plane for privilege. Practical implication: replace broad network entry with identity-bound access paths that can be constrained per resource and per session.

Practical implication: replace broad network entry with identity-bound access paths that can be constrained per resource and per session.

Audit trail gaps in hybrid access environments

VPN logging typically records connection events, not the operational detail security teams need to investigate behaviour. By contrast, identity-centric access platforms can capture authentication, commands, queries, and administrative actions as distinct events, which matters when privileged work spans databases, SSH, RDP, and cloud infrastructure. Without that session-level evidence, compliance teams cannot reconstruct who did what, and incident responders cannot distinguish normal administration from misuse. Practical implication: require session audit data that covers both access initiation and activity inside the session boundary.

Practical implication: require session audit data that covers both access initiation and activity inside the session boundary.

PAM and Zero Trust in infrastructure access

PAM extends beyond passwords by governing elevated access, while Zero Trust requires verification and least privilege at the point of access. The article’s core architecture argument is that modern access should be delegated through policy rather than through flat network membership. That is why infrastructure access products increasingly sit between the user identity provider and the target resource, acting as an auditable control layer. Practical implication: align privileged access workflows with Zero Trust so the access decision follows the request, not the network location.

Practical implication: align privileged access workflows with Zero Trust so the access decision follows the request, not the network location.

Breaches seen in the wild

• LiteLLM PyPI package breach — LiteLLM PyPI supply chain attack, credentials stolen from users.
• Shai Hulud npm malware campaign — Shai Hulud campaign: npm malware exposed secrets on GitHub.

Read our 52 NHI Breaches Analysis report for a comprehensive view of breaches impacting Non-Human Identities including AI Agents.

NHI Mgmt Group analysis

VPN alternatives are really identity governance controls for hybrid infrastructure. The article shows that once teams operate across legacy systems, cloud services, and third parties, the network boundary stops being a meaningful security boundary. The governance question becomes whether access can be expressed, logged, and revoked at the identity layer. Practitioners should treat remote access redesign as an IAM and PAM decision, not a network refresh.

Identity blast radius is the real failure mode exposed by all-or-nothing tunnelling. A VPN grants reach that is much broader than most business tasks require, which means any compromised session can inherit excessive internal visibility. That widens the attack surface for both human and machine access paths. The practical conclusion is that privilege scope must be tied to the resource, not to the network entrance point.

Auditability is now a control requirement, not a nice-to-have. The article’s emphasis on logs, command capture, and administrative traceability reflects a wider identity governance shift: if a team cannot reconstruct privileged activity, it cannot govern it. This aligns with NIST CSF and Zero Trust thinking, where detectability and accountability are part of access design. Practitioners should assume that session evidence will be needed for every privileged pathway.

Lifecycle controls must cover vendors and service accounts as well as employees. The article explicitly calls out contractors, third-party vendors, and service accounts, which is where many programmes still fragment governance. Access onboarding and offboarding have to work across identity types, or the organisation leaves standing access behind in the very places VPNs were supposed to simplify. Practitioners should unify lifecycle governance before expanding access modernisation.

VPN replacement is a Zero Trust implementation problem disguised as an access-product choice. The market is moving toward control layers that enforce least privilege without forcing users back into flat network trust. That validates identity-centric access programmes and complicates any architecture that still assumes network membership is a proxy for authority. Practitioners should evaluate replacement tools by how well they express policy, not by how well they mimic old connectivity patterns.

From our research:

• Only 5.7% of organisations have full visibility into their service accounts, according to Ultimate Guide to NHIs.
• Only 96% of organisations store secrets outside of secrets managers in vulnerable locations, which shows how often identity control still depends on unmanaged credential placement.
• For lifecycle and offboarding discipline, see NHI Lifecycle Management Guide for the governance patterns that keep non-human access from lingering after its purpose ends.

What this signals

Identity-centric remote access is becoming the practical expression of Zero Trust. As organisations keep legacy systems and cloud workloads side by side, access design will move further away from network membership and toward policy-bound sessions. Teams that still treat VPN replacement as a connectivity project will keep missing the governance issue.

Access sprawl is the hidden tax on hybrid operations. With 25x to 50x more NHIs than human identities in modern enterprises, the same flat-access assumptions that fail for people fail even harder for service accounts and automation. The next control gap will be whether programmes can express least privilege across all identity types without creating a separate exception path for each one.

NHI lifecycle discipline should inform access modernisation choices. If organisations cannot see service accounts, they will not govern the full access surface created by remote administration and infrastructure automation. That makes lifecycle visibility a prerequisite for any access redesign that claims to reduce risk rather than merely relocate it.

For practitioners

• Map privileged access to resources, not networks. Inventory which databases, servers, clusters, and admin consoles are still reachable through broad VPN membership and redesign those paths so policy is applied per resource and per session.
• Require session-level audit evidence. Make command capture, query logging, and administrative action logs mandatory for privileged workflows so incident response can reconstruct activity without relying on scattered system logs.
• Separate human and non-human access paths. Document where contractors, vendors, service accounts, and automation use the same remote-access pattern, then split those paths so lifecycle and approval rules match the identity type.
• Align remote access with Zero Trust policy. Use identity provider integration and task-scoped entitlements to avoid granting broad internal reach when a user only needs one database, one cluster, or one administrative function.

Key takeaways

• VPN replacement is fundamentally an access-governance issue, because broad network entry does not satisfy least-privilege requirements in hybrid environments.
• The strongest evidence for the control gap is audit weakness, since connection logs alone cannot reconstruct privileged activity across modern infrastructure.
• Teams should modernise remote access by binding privilege, auditability, and lifecycle ownership to identity rather than to the network perimeter.

Key terms

• Zero Trust Network Access: Zero Trust Network Access is a remote access model that grants application or resource access based on identity and policy rather than broad network membership. In practice, it narrows what a user or workload can reach and keeps verification tied to each request or session.
• Privileged Access Management: Privileged Access Management is the discipline of controlling, monitoring, and revoking high-risk access to sensitive systems. For hybrid environments, it must cover human admins, contractors, service accounts, and automation, because each can create the same blast-radius problem when privilege is too broad.
• Identity Blast Radius: Identity blast radius is the amount of systems, data, and actions exposed when an identity is over-permissioned or compromised. It is a practical measure of how far a mistake or breach can travel. The smaller the blast radius, the easier it is to contain misuse and investigate it.
• Session Audit Trail: A session audit trail is a record of what happened during an access session, not just that a connection occurred. It typically includes commands, queries, and administrative actions, giving security and compliance teams evidence they can use for investigation, accountability, and control testing.

Deepen your knowledge

VPN alternatives, Zero Trust access, and lifecycle-aware privilege control are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are modernising remote access in a mixed human, vendor, and service-account environment, it is worth exploring.

This post draws on content published by StrongDM: 3 Best Enterprise VPN Alternatives for Business in 2026. Read the original.