They should treat IAM as part of regulatory evidence production, not only authentication. That means documenting privileged access, enforcing multifactor authentication, reviewing supplier and service-account access, and ensuring logs can support incident reporting. The goal is to show continuous control over who can access regulated systems and why.
Why This Matters for Security Teams
NIS2 changes IAM from a back-office control into evidence that can withstand regulatory scrutiny. Organisations need to show who had access, why access was granted, how privileged access was constrained, and whether supplier and service-account access was continuously reviewed. The legal text in the NIS2 Directive – official EU legal text places governance pressure on identity processes, while NIST’s NIST Cybersecurity Framework 2.0 reinforces that access control, logging, and monitoring must work together.
That is why IAM preparation should start with evidence quality, not tool deployment. Security teams need repeatable records for privileged access reviews, MFA enforcement, joiner-mover-leaver flows, and service-account ownership. For non-human access, the risk is often greater because secrets and tokens spread faster than human accounts can be reviewed. NHIMG’s Ultimate Guide to NHIs – Regulatory and Audit Perspectives frames this as a lifecycle and accountability problem, not just a credential problem. In practice, many security teams discover that access evidence is incomplete only after an audit request or incident has already exposed the gaps.
How It Works in Practice
Preparing IAM for NIS2 means building a control stack that can answer three questions at any time: who has access, what type of access it is, and whether that access is still justified. Current guidance suggests treating privileged access management, identity governance, and logging as one operating model rather than separate programmes. That includes MFA for all significant access paths, formal review cycles for administrators and suppliers, and clear ownership for service accounts, API keys, and automation identities.
A practical approach is to map regulated systems first, then attach identity controls to each system based on business criticality. The most important evidence usually comes from:
- Privileged access inventories with named owners and review dates
- Supplier access records that show approval, scope, and expiry
- Service-account registers tied to applications and technical owners
- Authentication and authorisation logs that can support incident reporting
- Exception records for any account that cannot yet meet the standard
NHIMG’s Ultimate Guide to NHIs – Lifecycle Processes for Managing NHIs is useful here because it reinforces that non-human identities need lifecycle controls just like human users. The 2024 Non-Human Identity Security Report found that 88.5% of organisations say their non-human IAM practices lag behind or are only on par with human IAM, which explains why many NIS2 programmes struggle to prove control over automation at scale. These controls tend to break down in hybrid environments with shared platforms and rapid application delivery because ownership, logging, and review evidence become fragmented across teams.
Common Variations and Edge Cases
Tighter IAM control often increases operational overhead, requiring organisations to balance auditability against deployment speed and supplier friction. That tradeoff is especially visible in regulated cloud estates, where service accounts, workload identities, and delegated admin roles may be more important than standard user accounts.
There is no universal standard for this yet, but current guidance suggests three common edge cases deserve special handling. First, legacy systems may not support strong MFA or modern logging, so compensating controls and documented risk acceptance become necessary. Second, third-party suppliers may need time-bound access that is approved per contract, not per ticket, to avoid open-ended exceptions. Third, machine-to-machine access often uses long-lived secrets, which create evidence gaps unless rotation, vaulting, and revocation are enforced.
For organisations that need to benchmark maturity, NHIMG’s Top 10 NHI Issues and the report on 2024 Non-Human Identity Security Report help surface where IAM evidence fails most often. The main lesson for NIS2 is that compliance depends on whether access can be explained after the fact, not whether policies exist on paper.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP Non-Human Identity Top 10 address the attack surface, NIST CSF 2.0 set the technical controls, and NIS2 define the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIS2 | Article 21 | Requires risk management measures including access control, MFA, and incident readiness. |
| NIST CSF 2.0 | PR.AC-1 | Identity and access management supports least-privilege and controlled access to assets. |
| OWASP Non-Human Identity Top 10 | NHI-03 | Service accounts and secrets need lifecycle and rotation controls to reduce exposure. |
Document IAM controls and evidence paths that prove continuous access governance for regulated systems.
