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AI governance and the BIO baseline: where AI use fits

The BIO never mentions AI. Everyday AI use in a municipality lands in four themes it already has: classification, suppliers, awareness and logging.

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Quick answer

The BIO is the shared information security baseline for Dutch government. It never mentions AI, yet everyday AI use in a municipality falls under four themes it already contains. Classification: which information may be processed in which environment, and therefore which data never belongs in a chatbot. Supplier management: every AI service staff use processes government information, contract or not. Awareness: people know what has been decided when they open a tool. Logging: you can show which services are in use and what was decided about them, without tracking individuals. AI governance applies those four themes to the use that actually exists, not the use the policy describes.

01

The BIO is written around information rather than technology, so a new kind of tool does not make it obsolete

02

A file's classification does not change when it is pasted into a chat window

03

An AI service an employee picked up on their own still processes government information, which makes it a supplier

04

Awareness works when someone opens a tool, so each tool needs a decision first

05

AI use can be logged with counts per tool and no data about individuals

A CISO at a mid-sized Dutch municipality is preparing the annual information security accountability report. The evidence folder holds last year's AI policy, a data processing agreement (DPA) for Microsoft 365 and the attendance list from an awareness session. For the question of which AI services were actually used this year, she has nothing on file.

That is the question the BIO, the baseline information security standard for Dutch government, asks without ever using the word AI. Everyday AI use falls under four themes that have been in the baseline for years: classification, supplier management, awareness and logging. Apply those four to the use that actually exists and you have AI governance. Apply them to the use described in the policy and you have a document.

Why doesn't the BIO mention AI?

The Baseline Informatiebeveiliging Overheid is the shared information security framework for Dutch central government, municipalities, provinces and water authorities, built on ISO 27001 and ISO 27002. For municipalities, the VNG (the Association of Netherlands Municipalities) and its information security service (IBD) provide guidance and support. The BIO is written around information, not technology: it asks how government information is protected, whatever system holds it.

A council paper, an objection letter or a benefits file keeps its classification whether it sits in a case system or gets pasted into a chat window. The wider picture for government and healthcare is covered in the BIO, NEN 7510 and AI; this piece looks at where everyday use fits in the baseline.

Where does a chatbot fit in the classification?

The BIO works with baseline security levels, and the classification of information determines which level applies. In a municipality most of that work has been done: social services, youth care, taxation and enforcement handle data classified as high, often including citizen service numbers.

What is usually missing is the link to AI use. A free chatbot on a personal account is an environment with no contract, no agreement on storage and no DPA. Data from the highest class does not belong there, whatever the tool promises. For an employee who wants to rewrite a benefits letter, the question is not whether AI is allowed but which environment is designated for this class, and what has to come out of the text before it goes there.

Is an AI tool nobody procured a supplier?

Yes. Supplier management in the BIO is about parties that process government information, and that role begins the moment an employee pastes text into a service, not the moment procurement signs a contract.

The difference lies in what you know. For a procured service you know where the data is processed, the training policy and the incident procedures. For a service someone found on their own you usually know none of that, often not even that it is in use. Supplier management for AI therefore starts with the list of services actually in use, and only then moves on to assessment. What belongs in the DPA at that stage does not change because the supplier happens to be an AI tool.

What does awareness mean once the tool is already open?

The BIO asks for awareness and training. The usual answer is an annual session and an e-learning module. The AI use happens weeks later, under time pressure, in a browser tab the session never mentioned.

Awareness that works happens at that moment: someone opens a tool and sees where the municipality stands on it. Allowed, limited use with a condition, no decision yet or not allowed with the alternative alongside. That requires a decision on each tool first, because a notice without a decision is just noise.

Which logging fits here, and which does not?

In the BIO, logging is a control: you must be able to establish afterwards what happened to information and systems. For AI use the temptation is to do that per employee: who opened which tool and what they typed. That is no longer logging but monitoring of individuals, which needs its own legal basis under the GDPR and involves the works council.

You can answer the baseline's question without taking that step. Which AI services are in use, how often, what was decided about them and whether the share going through allowed services is moving in the right direction: those are counts per tool, with no names and no content. The difference between the two is set out in AI monitoring versus employee monitoring. For accountability that form is enough, and the figures are more honest, because nobody moves to a private phone to escape a count.

BIO themeWhat it asksWhere everyday AI use touches itWhat you record
ClassificationInformation gets a class that determines where it may be processedWhich class may go into which AI environment, and what comes out before pastingOne rule per class, with the designated environment
Supplier managementParties processing government information have been assessedEvery AI service in use is such a party, contract or notA register of services in use, with status and assessment
AwarenessStaff know the rules and act on themThe decision on each tool is visible when someone opens itWhich notices are on, per status
LoggingWhat happened can be established afterwardsCounts per tool and per decision, no individualsFigures per period, with their scope stated

What does this look like in a municipality?

The municipality's AI register has two rows: Microsoft 365 Copilot, allowed, and a transcription tool for council committees, limited use, with no personal data about speakers. When the municipality first looks at which AI services are opened from the browser, four more turn up: ChatGPT, Perplexity, a translation tool the neighbourhood teams use for letters to residents and a service that summarises policy memos.

None of the four has been assessed as a supplier, no decision has been taken on any of them and the translation tool handles letters with names and addresses every week. This is not an incident. Nobody broke a rule, because there was no rule. What it shows is that the four BIO themes had been applied to two tools while six were in use. The work that follows: four assessments, four decisions and, for the translation tool, a designated alternative that the neighbourhood teams see as soon as they open the old one.

BeeSensible links a catalogue of over 1,000 AI tools to the use observed in the organisation: only the tool's domain, at most once per day per device, with no user ID and no content. An administrator sees in the Inbox which tools have no decision yet and records one; that decision then appears in the browser for anyone who opens the tool. BeeSensible does not block anything of its own accord; whether staff can carry on to a not-allowed tool after the notice is a setting the municipality chooses. This is what the register looks like:

AI register
AllowedUnder reviewNot allowedAll tools
Search by tool, vendor, domain or former name…
1,012 tools
DeepSeek
Critical · 90/100
Not allowed
Otter.aiNew
High · 68/100
No decision yet
Grok
High · 67/100
Not allowed
ChatGPT
High · 62/100
Allowed
Perplexity
Medium · 55/100
No decision yet
HeyGen
Medium · 53/100
No decision yet

Every tool, scored for risk

Over 1,000 AI tools, each scored from Low to Critical. Nothing is approved or blocked until someone decides.

More about AI Governance

What does this mean for accountability?

Accountability does not ask for a statement that AI is under control. It asks for evidence that the measures were applied to what the municipality actually processes. A register fed by observed use, a decision per tool, notices when someone opens a tool and counts without data about individuals are that evidence; what they do not cover, such as use on a private phone, goes in the report as "not substantiated". How the same themes play out under ISO 27001 is covered in ISO 27001 and AI; the other articles on AI governance apply in full to a municipality.

What to do differently from now on: for each of the four themes, ask whether it was applied to the tools in use or to the tools in the policy. Wherever the answer is the latter, you know where the next piece of evidence has to come from.

FAQ

Common questions

Does the BIO mention AI tools?

No. The Dutch government baseline is written around the information a public body protects, not the technology that holds it. A chatbot is a new environment where government information can end up, and the existing themes of classification, supplier management, awareness and logging apply to it as they stand. No separate AI chapter is needed.

Is a free chatbot a supplier under the BIO?

As soon as an employee pastes government information into it, that service processes the information, which is exactly the situation supplier management covers. The absence of a contract, a data processing agreement or a procurement file does not make it less of a processor; it only means you know nothing about it. Supplier management for AI therefore starts with the list of services actually in use.

Does a municipality have to log which AI tools each employee uses?

No. The baseline asks whether you can establish afterwards what happened, and for AI use that is answered with counts per tool: which services were opened, how often and what was decided about them. Recording the same thing per person turns it into employee monitoring, which needs its own legal basis under the GDPR and involves the works council. The aggregated form is enough for accountability.

What information may a municipal employee put into an AI tool?

That depends on the classification and on the municipality's decision about the tool. Data from social services, youth care, taxation and enforcement, often carrying a citizen service number, does not belong in an environment without a contract and a data processing agreement. Rewriting a letter is usually fine once names, addresses and identifiers have been removed. The environment designated for each class is recorded per tool.

Does AI governance replace a municipality's BIO work?

No. AI governance applies four existing BIO themes to everyday AI use and produces evidence that fits the annual accountability cycle: a register fed by observed use, a decision per tool, notices when someone opens a tool and counts without data about individuals. The rest of the baseline, from access control to incident handling, stays as it is and falls outside it.

Portrait of Rens Timmermans from BeeSensible

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