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Why Article 40’s Review Clause Demands More Than a Policy Update

Article 40 of Regulation EU 2024/2690 introduces a new cadence to cyber-security compliance: instead of sporadic, perfunctory updates, you must now treat the “three-year review” as a recurring test of organisational resilience and alignment to NIS 2. These aren’t box-ticking exercises-they’re high-stakes checkpoints, designed to reveal not only how policies are drafted but how deeply they’ve reshaped actual working practise, supplier engagement, and boardroom oversight.

When leaders view regulatory reviews as early warning signals, they shift from defensive compliance to market-ready resilience.

If your last review cycle looked like a hasty compilation of recycled artefacts, Article 40 will expose both the operational and reputational risks of that strategy. What’s demanded now is living evidence-proof that, throughout the reporting period, risks were not just logged but actively tracked, control gaps were quickly resolved, and that accountability for every action sits with a named owner. The days of “policy for the policy’s sake” are behind us; the future belongs to teams whose security posture can be demonstrated, in real time, across the full breadth of their ecosystem.

A board that treats Article 40 as an exercise in paper trail inflation invites systemic weak points. Those that leverage the review as an always-on improvement loop, closing exposure gaps before audit day arrives, not only reduce legal risk but actually accelerate commercial trust and operational agility. Triennial cycle or not, readiness is now always-on.


How the Article 40 Review Process Really Works (and Why It’s Different)

Unlike previous iterations of regulatory oversight, Article 40 fuses policy documentation, operational evidence, and explicit accountabilities-emphasising true implementation over rhetorical intent. The European Commission’s review, with ENISA’s support, brings a dynamic evidence threshold: log data, audit trails, time-stamped actions, owner-linked remediations, and live process demonstrations.

Defensive evidence falls flat; only live, owner-stamped controls withstand rigorous review.

The review isn’t a snapshot but a continuous, cyclical process. ENISA encourages not just best-in-class documentation, but also real walkthroughs: appointing control owners, producing ISMS action logs, surfacing live dashboards, and running real “tabletop” mitigation scenarios. Their stance is explicit:

[single_quote blockquote=”\”The Commission, supported by the Agency, shall take into account best practises in Member States and industry, including through peer reviews, to evaluate the effectiveness of the NIS2framework.

Organisations must be able to show, not tell: that technical measures have been properly implemented and maintained, that management knows where its real exposure points are, and that the entire evidence set is available for review at any time. Self-assessment is a supplement-not a substitute-for this evidentiary backbone. Any missing link between risk, action, and owner now manifests as a substantive finding, not an administrative quibble.




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Operational Impacts: What Article 40 Review Cycles Really Force You to Change

Article 40 embodies a new discipline-forcing operational leaders, not just compliance teams, to integrate the review cadence into the fabric of the organisation and its supply chain. Historical audit gaps are no longer dormant: if a recurring weakness surfaces in one review, it will become a regulatory plank for the entire sector in future cycles.

Audit findings set tomorrow’s sector baseline-passivity today becomes liability tomorrow.

Instead of treating NIS 2 as an annual “project,” teams must transition to an always-on review culture: each control, incident, and improvement must be mapped to an accountable owner, an actionable deadline, and a closure status visible to oversight. Every time a finding repeats, it earns sector-wide relevance and regulatory teeth. Boards and CISOs must ensure the process is hardwired-gaps cannot linger on a “pending” list or slip through reporting cracks.

Organisations should be able to demonstrate, at any time, the linkage between identified risks, mitigation actions, and evidence of actual implementation during audits or reviews.

This is manifest in management review board sessions, risk committee workflows, and even project-level procurement checks. A risk, once spotted, must be traced from identification through action to live, audit-ready closure-otherwise, that gap becomes visible, sector-wide, as a marker of non-conformity.




The Jurisdiction and Scope Puzzle: Avoiding Misclassification Across Borders

The Article 40 review cycle is notorious for illuminating the “scope gap”: seemingly peripheral subsidiaries, indirect suppliers, or data flows that escape scrutiny until peer reviews or an incident bring them into the spotlight. ENISA’s push for benchmarking and peer review adds real teeth-jurisdiction is no longer defined by legacy rationale or convenience, but by live operational reality.

Scope is the hinge point of resilience; a missing entity today can unravel regulatory trust tomorrow.

If your ISMS boundary lags behind your real-world footprint, Article 40 will reveal hidden exposure: whether it’s a dormant subsidiary, an overlooked supply chain partner, or a cross-border data feed. These gaps not only compound risk but multiply the regulatory attention and resources needed for remediation.

Scope Health-Check: ISO 27001 Mapping Example

Correction (Trigger) Risk Update Owner / Board Link SoA / Annex A Reference
Cross-border vendor discovered Added to risk register Board Risk Committee sponsor ISO 27001 A.5.21 / NIS 2 Art. 19
  • Is every legal entity, cross-jurisdictional link, and critical vendor present on your live ISMS map?
  • Has every relevant owner and board contact been assigned-and acknowledged-a scope-bound responsibility?
  • Can your Statement of Applicability (SoA) and asset inventory answer regulator queries, immediately and defensibly?

When you map the real rather than the theoretical, findings transform from time bombs to opportunities for pre-emptive action.




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What Gets Measured: KPIs, Audit Trails, and Surviving Reviewer Scrutiny

Under Article 40, only living, owner-tied KPIs and event logs matter. ENISA and Commission reviewers expect real-time, named evidence: controls mapped to owners, risk updates timestamped, incidents logged and traced-not just attached as slow-moving annual reports (isms.online).

Every unowned KPI or stale log is a future audit finding waiting to be called.

A robust ISMS-anchored by automation-ready platforms-must surface the following on demand:

Trigger (Review Event) Risk Update Control/SoA Link Evidence (ISMS.online Example)
Response delay cited by ENISA Audit response time flagged A.16 / ISO 27001 A.9 Timestamped log; user; dashboard link
Unlisted vendor flagged Supplier chain compliance gap A.21 / ISO 27001 A.15 Supplier list update; linked audit record
Major incident unrecorded Risk assessment outdated A.5 / ISO 27001 A.6 Incident log; mapped risk; new SoA sign-off
Approval missing or outdated Governance control lapse A.4 / ISO 27001 A.5.2 Approval workflow; log snapshot

A multinational logistics company once discovered, before an Article 40 peer review, they'd omitted several procurement satellites from scope. Early intervention, led by a board member, updated the risk profile and avoided sector-wide audit repercussions.

The key is shared ownership: operational KPIs, asset registers, and audit logs must all be accessible not just to compliance, but to risk, procurement, legal and board-level sponsors. Siloes are liabilities; connected evidence is resilience.




Review-to-Action Loops: How Findings Become Security Improvements

The value in Article 40 is not just the identification of gaps but in the systematised feedback loop turning every regulatory finding into operational improvement. ENISA, regulators, and boards converge on a core principle: only organisations that embed and evidence their learning loops will avoid repeat findings and sector-wide pitfalls.

Your improvement loop isn’t a paper artefact-it’s your daily insurance against both regulatory censure and operational escalation.

Practical steps to operationalise these loops:

  1. Each Article 40 finding is assigned to a named individual with a clear deadline and workflow in ISMS.online.
  2. Dashboards chart all open and completed actions, flagging overdue items to management and audit committee.
  3. All remediation-policy, evidence, supplier fix, staff retraining-is logged and attached to the relevant findings, evidencing completion before the next cycle.
  4. Ongoing management reviews and board reporting must reference these loops; unresolved issues should be agenda fixtures, not back-page appendices.

A regulated SaaS firm halved the number of repeat findings within a year by embedding ISMS.online's action workflow across departments. Review-triggered improvements became mandatory tasks, tracked by Policy Packs and management reviews-ensuring learning was lived, not archived.

The transition is clear: findings are no longer mere audit observations-they are active drivers of resilience, closing the risk and communication loop from board to frontline.




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Sharing and Scaling: Embedding Lessons Learned for Sector Confidence

Mature teams no longer treat review outcomes as internal-only events. ENISA’s sectoral learning loops urge public and private bodies alike to leverage best practises, showing that shared improvement-rather than isolated compliance-is the accelerant of sector-wide resilience.

If lessons are siloed, risks are multiplied-shared learning is real resilience.

With ISMS.online, review findings catalyse both immediate updates and cross-team knowledge flows:

  • Training modules are adjusted within days, becoming onboarding and refresher requirements for all teams.:
  • Supplier gaps update procurement policies, embedded in every contract vetting process across the organisation.:
  • Audit lessons are converted to to-dos and mandatory tasks, their completion a prerequisite for the next SoA update.:

Internal artefacts start to shape culture: reviews inform not just compliance but how new staff are prepared, how contracts are let, and how strategy is executed. When lessons are shared and looped, the platform itself becomes a living, cross-team playbook.

If you intend to be a sector leader, now’s the moment to certify your review-to-action chain, invest in connected learning tools, and demonstrate sector-scale discipline-not just to regulators, but to customers and competitors alike.




See Resilience in Action: Why Leading Teams Anchor to ISMS.online Today

For boards and CISOs bracing for Article 40, “just enough” is no longer enough. ISMS.online offers a unified command post-a continuously updated ISMS linking every review artefact to board reporting, policy, task, supplier performance, and staff training. It’s a living resilience system, not a dusty compliance file.

The difference between reactive audit scramble and board-level confidence comes down to action traceability-proven in real time.

Market leaders deploy ISMS.online to:

  • Instantly surface all active and closed review items in a board-facing dashboard.
  • Assign, evidence, and escalate every improvement, closing the gap between finding and defensible compliance.
  • Ensure that trainings, supply chains, and process reviews reflect lessons learned, updated synchronously across teams.
  • Cut review preparation and audit cycle time in half, using closed-loop mapping and platform-driven accountability.

Are you ready to see your Article 40 process transformed-evidence-centred, audit-resilient, and future-proofed? Request a live ISMS.online walkthrough and experience first-hand how audit trail automation, workflow linkage, and sector-wide lesson sharing drive measurable board and regulator trust. Confidence is built not on paperwork, but on a system where every lesson becomes a lever for tomorrow’s advantage.



Frequently Asked Questions

What is Article 40 of Implementing Regulation EU 2024-2690, and how does it turn compliance reviews into recurring security tests?

Article 40 of Implementing Regulation EU 2024-2690 requires the European Commission to review the NIS 2 Directive’s real-world effectiveness every three years-transforming compliance from a check-the-box exercise into an ongoing demonstration of security maturity. These regular reviews force your organisation to prove, not just declare, that its ISMS is alive: policies, controls, risk registers, and evidence must stand up to both national and EU scrutiny year after year (EUR-Lex, 2024). Instead of scrambling before an audit, you’re now challenged to maintain continuous “evidence-in-action,” tracking improvements, assigning ownership, and ensuring operational controls are genuinely embedded into business processes.

Living compliance isn’t an event-it’s the visible thread running through months of operational discipline, not weekend war rooms before a review.

Shifting from documentation to provable action

Review cycles demand timestamped logs, dynamic KPIs, recorded corrective actions, and transparent accountability chains-replacing static policies with evidence that flexes to evolving risk and organisational changes at any point in the cycle.


How do Article 40’s cyclical reviews interact with Implementing Regulation 2024/2690 to set evidence expectations?

Article 40’s mandatory review cadence is fused with the technical evidence and operational requirements detailed in Implementing Regulation 2024/2690, creating a feedback loop where regulatory standards drive living performance metrics. Every three-year review acts as a reality check: your ISMS needs to deliver assigned risk ownership, auditable change trails, incident and supplier logs, and closed corrective actions that map exactly to the latest regulatory benchmarks (ENISA, 2024). If your “policy on paper” isn’t matched by digital trails and operational evidence, review findings jeopardise compliance, reputation, and future certifications. “Show me, don’t tell me” becomes the regulator’s demand.

Table: Evidence requirements tied to review cycles

Evidence Type Mandated By Practical Expectation
Risk ownership logs Reg. 2024/2690 Live system of named owners, not static charts
Incident response time NIS2 + Reg. Continuous performance dashboard, real-time logs
Supply chain analytics Reg. + NIS2 Supplier risks mapped, reviewed, closed live
Corrective action audits Reg. 2024/2690 Linked status from issue to fix to closure

What pains and breakdowns do teams hit during Article 40 review cycles?

Recurring Article 40 reviews reveal a predictable set of operational failures: frantic evidence sweeps, uncertainty over new in-scope entities, siloed spreadsheets, and risk acceptance gaps when responsibilities blur across business lines (NIS2-info.eu, 2024). For teams using spreadsheets or static registers, every review is a potential crisis-logs are missing, updates are backdated, and new risks surface after-the-fact. The most common pressure points:

  • Reviews may occur without advance warning, not just at the annual calendar mark.
  • Asset, risk, or supplier ownership is vague, particularly after M&A or legal changes.
  • Logs and action trails are incomplete or stuck in email threads, not accessible for audit.
  • Past findings resurface in unchanged reports, frustrating both boards and reviewers.

Teams that treat evidence collection as an event, not a habit, find themselves repeating costly errors-and lose leadership trust during every cycle.

Visual: Pain points across the review cycle

Breakdown Impact Remedies
Siloed logs Last-minute fire drills, missed records Unified ISMS with auto-logging
Undefined ownership Audit gaps, risk duplication Role assignments, live updates
Unvetted supply chain Blind spots, failed supplier audits Automated supplier dashboards
Board anxiety Escalation, loss of audit confidence KPI reports, action-tracking

Why does Article 40 force organisations to rethink cross-border and sector-wide compliance boundaries?

Article 40 reviews are pan-European, requiring aligned evidence and controls across every country, sector, and business entity affected by NIS 2. Mergers, acquisitions, or technology changes can instantly push new subsidiaries, partners, or suppliers under formal scope (NIS 2, Art. 19, 2024). Most breakdowns happen when teams:

  • Skip formal reclassification after M&A-leaving critical entities unsynced with ISMS scope.
  • Rely on manual mapping for complex digital infrastructure, missing new in-scope tech.
  • Underestimate how quickly Member State definitions or supplier locations impact scope.

If you’re piecing together compliance coverage by department, region, or static register, cross-border reviews will repeatedly expose gaps-each triggering urgent fixes and reputational risk.

Table: Scope tripwires and operational fixes

Scope Problem Fallout Proactive Fix
Missed entity reclass Surprise audit inclusion Automated scope diagnostics
Supplier mapping gaps Scrutiny for new risks Live supplier onboarding logs
Manual jurisdiction map Incomplete coverage Role-driven scope dashboards

Which KPIs, logs, and evidence types actually matter for Article 40/2024/2690 reviews?

To pass each Article 40/Implementing Regulation 2024/2690 review, you must generate defensible, role-assigned, and timestamped evidence against four main pillars:

  1. Control ownership and accountability: Each control, risk, and supplier must have a directly assigned owner visible in your ISMS.
  2. Live incident and corrective logs: Incidents and mitigations are tracked, not summarised post-factum; corrective actions are linked, assigned, and closure is evidenced.
  3. Continuous risk and supplier mapping: Your risk register and suppliers’ status are mapped, reviewed, and updated as changes occur.
  4. Performance and readiness dashboards: KPIs for incident response, policy engagement, training, and supply chain risk feed both operational and board-level reporting.

Table: Review criteria mapped to operations and evidence

Review Requirement Operational Feature Artefact Type Regulatory Reference
Control ownership ISMS owner registry Assignment log / dashboard Reg. 2024/2690
Incident response Live log / KPI dashboard Ticketing / closure logs NIS2 Art. 23
Supplier risk map Supplier dashboard Review signoff trails NIS2 Art. 21
Corrective closure Findings tracking tool Audit-to-remedy link evidence Reg. 2024/2690, ISMS

How do top teams use Article 40 to amplify resilience and win board trust, rather than just survive reviews?

Leading organisations treat Article 40 as a force-multiplier for resilience and reputation. Every review finding triggers a workflow assignment, not fire-fighting: actions are logged, dashboards are updated for the Board and team leads, and recurring micro-training is pushed to every staff role touched by the review. The process becomes a continuous value loop-not a disruption:

  • Review findings are assigned, remediated, and evidenced in the live ISMS, not in silos.
  • Dashboards push post-review insights to all teams to close the loop and drive improvement.
  • Supplier, training, and control updates flow into onboarding and recurring management review, preventing repeat findings.
  • Every closed finding becomes a badge of maturity, visible to both board and regulators.

Organisations that build traceable, always-on review readiness turn Article 40 events into compounding trust capital with every cycle.

Traceability workflow: From review trigger to logged resilience

Trigger (Finding) Risk/KPI Adjustment Corrective Action Evidence Captured in ISMS
Delayed incident closure Adjust owner, KPI targets New response workflow Closure log, updated dashboard
Blind supplier risk Update risk classification Strengthen onboarding Signed-off supplier log
Recurring training gaps Retraining task assigned Revise policy pack Training registry, audit trail

Why is investing in review-ready ISMS architecture essential ahead of your next Article 40/2024/2690 review?

Reactive cultures fall behind under Article 40: every scramble for evidence, every manual audit fix, and every delayed update undermines the trust you need with both the Board and the regulator. Organisations using review-ready ISMS platforms-like ISMS.online-turn this challenge into an operational advantage:

  • Live evidence replaces last-minute evidence sprints.
  • Every action, fix, and assignment is logged as it happens-no more backdating.
  • Dashboards and audit trails ensure continuous, not episodic, board and audit confidence.
  • Each review becomes an opportunity to showcase resilience, accelerate risk management, and demonstrate maturity to clients, partners, and auditors.

Invest now in a workflow discipline and digital evidence chain-so the next Article 40 review is just another proof point of why your organisation leads in compliance, resilience, and trust by design.



Mark Sharron

Mark Sharron leads Search & Generative AI Strategy at ISMS.online. His focus is communicating how ISO 27001, ISO 42001 and SOC 2 work in practice - tying risk to controls, policies and evidence with audit-ready traceability. Mark partners with product and customer teams so this logic is embedded in workflows and web content - helping organisations understand, prove security, privacy and AI governance with confidence.

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