How should organisations reduce dependence on one identity vendor?

Organisations should reduce dependence by diversifying authentication paths, separating critical workloads where possible, and retaining control over the most sensitive cryptographic material. The aim is not to eliminate vendors, but to prevent one supplier incident from becoming an enterprise-wide access event.

Why This Matters for Security Teams

Reducing dependence on one identity vendor is a resilience problem, not just a procurement choice. If one platform outage, policy misfire, or compromise affects authentication, secrets, and governance at the same time, the organisation can lose access control across the estate in a single event. That risk is amplified for NHI-heavy environments, where service accounts, API keys, and machine credentials often sit behind shared tooling. NHI Mgmt Group notes that Ultimate Guide to NHIs reports 97% of NHIs carry excessive privileges, which means vendor concentration can quickly become privilege concentration.

The practical issue is not vendor dislike. It is avoiding brittle dependencies that are hard to unwind during an incident. Teams that centralise authentication, secret storage, and enforcement in one stack often discover they have built a single operational choke point. The NIST Cybersecurity Framework 2.0 treats governance, resilience, and recovery as first-class security concerns, which is the right lens here. In practice, many security teams encounter vendor lock-in only after an outage or security event has already limited access.

How It Works in Practice

Start by identifying which identity functions are genuinely critical and which can be separated. Authentication, privileged access, secrets management, federation, and audit logging do not all need to live in the same product. The goal is to keep the control plane portable enough that one supplier failure does not block every workload.

• Use open standards where possible, especially for federation and workload identity.
• Keep the most sensitive signing keys, root trust anchors, and emergency access paths under direct organisational control.
• Design at least one secondary authentication route for critical users and non-human identities.
• Document how identities, secrets, and policies move if a vendor must be replaced under pressure.

For non-human identities, vendor independence depends on preserving workload identity outside the vendor’s proprietary boundary. That means cryptographic proof of workload identity should be anchored in portable mechanisms, not only in one platform’s internal directory or secret store. The article Ultimate Guide to NHIs is useful background on lifecycle, rotation, and visibility because those controls become much harder to sustain when a single vendor owns all enforcement. Current guidance also aligns with splitting control over issuance and use, so that a compromise in one layer does not automatically expose every credential.

Operationally, this often means building a layered model: a primary vendor for convenience, but a separate recovery path for break-glass access, short-lived credentials for sensitive workloads, and exportable logs for independent monitoring. The strongest programmes test portability before they need it, by rehearsing a cutover or partial failover. These controls tend to break down in tightly coupled SaaS estates where the vendor owns both identity policy and the only practical path to application access.

Common Variations and Edge Cases

Tighter separation often increases integration and maintenance overhead, so organisations have to balance resilience against administrative complexity. That tradeoff is real, especially in smaller teams that cannot operate multiple identity stacks at full maturity. There is no universal standard for how much duplication is enough, but best practice is evolving toward selective redundancy for the highest-impact access paths.

Some environments should prioritise vendor independence more aggressively than others. Regulated sectors, high-availability operations, and estates with large numbers of service accounts usually need stronger fallback design than low-risk SaaS-heavy teams. The same is true where third-party dependencies are extensive, because one vendor incident can cascade through downstream integrations. NHI Mgmt Group’s research shows broad exposure to non-human identities and weak offboarding discipline in many organisations, which makes recovery planning especially important.

Edge cases include legacy applications that cannot support federation, and vendors that do not export policies or audit data cleanly. In those cases, organisations should isolate the dependency rather than pretend it is portable. The practical test is simple: if the vendor disappeared tomorrow, could access to the most sensitive systems still be restored without rebuilding identity from scratch? If the answer is no, the organisation still has a single point of identity failure.

Related resources from NHI Mgmt Group

• How can organisations reduce the blast radius of compromised agent identities?
• How do organisations reduce the dwell time of exposed credentials at scale?
• When should organisations reconsider a flat multi-tenant identity model?
• When does a machine identity become a compliance problem?