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GDPR vs NIS2:
What Overlaps — and What Doesn’t

Two EU frameworks, one small agency. Where they overlap, where they diverge, and how to satisfy both with a single set of documents instead of two compliance programmes.

Updated August 2026 · Reading time: 9 minutes

two-laws-one-agency

If you run a small web agency in the EU, you are already subject to the GDPR — every client project that touches personal data makes sure of that. From October 2024, NIS2 has been phasing into national law across member states, and even if your own agency is too small to be directly in scope, its requirements reach you anyway: through contracts, procurement questionnaires and security expectations cascading down from clients who are in scope.

the-instinct-is-wrong

The common reaction is to treat them as two separate projects: a GDPR track run by whoever handles privacy questions, and a security track started when a client asks about NIS2. That doubles the work and guarantees the two tracks drift apart — different vendor lists, different incident plans, documents that contradict each other.

The better framing: NIS2’s security measures are largely an operational extension of what GDPR Article 32 already requires. Article 32 obliges you to implement “appropriate technical and organisational measures” against risk. NIS2 Article 21 spells out what those measures look like for entities in scope: risk analysis, incident handling, business continuity, supply chain security, secure development, policies on the use of cryptography, access control and multi-factor authentication. If you document those once — properly, with your agency’s real practices — they serve as evidence under both frameworks.

📋 One Vendor Register

Your GDPR Article 30 records and DPA inventory list most processors already. Extend each entry with a security criticality rating (critical / important / minor) and review date, and the same register supports NIS2 Article 21(2)(d) supply chain security.

🚨 One Incident Plan

GDPR requires breach notification to the supervisory authority within 72 hours. NIS2 requires early warning within 24 hours and notification within 72. One incident response plan can support both timelines if it is built on the strictest clock from the start.

🔐 One Security Baseline

Access control, MFA, backups, patching, encryption — these are “appropriate measures” under GDPR Article 32 and explicit requirements under NIS2 Article 21. Document them once in a short internal policy; cite it in both contexts.

side-by-side

Here is the honest comparison of what each framework demands from a small agency:

⚖️ Who is covered

GDPR covers anyone processing personal data — that includes you, always. NIS2 covers designated essential and important entities by sector and size; most small agencies are not directly in scope, but are pulled in indirectly via client contracts.

💰 Penalties

GDPR: up to €20M or 4% of global turnover. NIS2: up to €10M or 2% for essential entities — but enforcement targets the covered entity, which for most agencies means their clients, not them.

📝 Core paperwork

GDPR: records of processing, DPAs, privacy notices, breach procedure. NIS2: security policies, incident plan, supplier register, business continuity measures. Roughly half of the NIS2 paperwork already exists in your GDPR file.

where-they-diverge

The overlap is real but not total, and pretending otherwise creates blind spots. GDPR cares about personal data wherever it lives; NIS2 cares about the security of network and information systems regardless of whether personal data is involved. A defaced marketing site with no personal data leaked is a security incident under NIS2 logic but usually not a GDPR breach. Conversely, sending a newsletter to the wrong subscriber list is a clear GDPR problem that no amount of firewalling fixes.

one-program

The practical move for a small agency is to build one combined compliance programme with three layers:

1. **A single document set**: vendor register (with security ratings), incident response plan (built on the 24-hour clock), access-control policy, and a short written security baseline. This is roughly six documents total.

2. **Data-specific add-ons** for GDPR only: RoPA, DPAs with sub-processors, privacy notices for the sites you operate.

3. **System-security add-ons** driven mainly by NIS2-style thinking: MFA everywhere, backup testing, patching routine, and secure development habits for the code you ship to clients.

Agencies that do this pass enterprise and public-sector security questionnaires faster, because every answer points at a document that actually exists — and the same documents answer the GDPR questions too.

Going Deeper

Our e-books cover GDPR and NIS2 side by side — one vendor register, one incident plan, one contract clause pack that satisfies both frameworks. Built for agencies without a compliance team.

Get the Combined Template Pack → →    Compliance E-Books → →

Frequently Asked Questions

Is my web agency directly in scope of NIS2?

Most likely not directly — NIS2 primarily covers medium-sized and large entities in designated sectors (energy, transport, health, digital infrastructure, and so on). But in-scope clients are required to manage supply chain security under Article 21(2)(d), and they do that by pushing security questionnaires and contractual requirements onto suppliers like you. Indirectly, you feel NIS2 whether or not a regulator ever names you.

Do I need separate incident plans for GDPR and NIS2?

No — build one incident response plan calibrated to the strictest timeline (24-hour early warning). The plan should include a decision step that classifies each incident: does it involve personal data (GDPR breach path), a system compromise (security path), or both? Most incidents for a small agency will be both, handled by the same people using the same checklist.

Can one vendor register really serve both frameworks?

Yes, if it is designed for it. Start from your existing Article 30 processor records, then add three columns: security criticality (critical / important / minor), last security review date, and exit/contingency note. That turns a GDPR compliance artefact into the supplier register NIS2 expects — without maintaining two lists that inevitably disagree.

What should I do first if I have done nothing yet?

In order: write down what personal data you process and for whom (RoPA skeleton), get DPAs signed with your key sub-processors, enable MFA on everything you admin, write a one-page incident plan around the 72-hour clock, and build the combined vendor register. Those five steps put you ahead of the majority of similarly sized agencies.

Does complying with GDPR automatically mean NIS2 compliance?

Not automatically, but it gets you perhaps halfway. GDPR gives you data governance and some security obligations; NIS2 adds system-level requirements — business continuity, crisis management, secure development, cryptography policy — that GDPR never names. The reverse also holds: strong security without data-governance paperwork fails GDPR. You need the overlap plus the two tails.

Will more EU rules keep stacking on top of these?

Yes — the direction of travel is clear. The Cyber Resilience Act brings product-level security duties for software vendors, and DORA does the same for financial-sector service providers. The defence is the same in every case: documented, current practices beat improvised ones, and a small agency with a real document set adapts to new rules in days rather than months.

Get the Combined Template Pack → →    Compliance E-Books → →