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How safe is Copilot for procurement & tendering?

GDPR profileOur summary of what the provider itself publishes about your data: EU hosting possible, no training on your data for business use, and self-hostable. Caution means a model with a documented issue, such as an investigation by a regulator. How we measure for procurement & tenderingCaution

Copilot raises a concrete GDPR concern. The Claude models within Copilot officially fall outside the EU Data Boundary. If you want strictly EU-only processing, exclude the Claude models in the admin panel. Weigh this heavily before deploying it in procurement & tendering.

Where does Copilot stand in procurement & tendering?

Shared place 20 of 26 options for procurement & tendering (professional tools and general assistants) on GDPR profile. 7 options, just like Copilot profile, carry a caution. Each tile is an option we track for this field; click for the check.

Strong6
Good6
Limited4
Unknown3
Caution7

Published safeguards

✓EU hosting possibleYes
✓No training on your data (business)Yes
–Self-hostable (on-premise)Not known

Microsoft 365 Copilot (business) falls under the EU Data Boundary and does not train on tenant data. Consumer Copilot does train by default, with an opt-out.

How to use Copilot safely

  • Use the business variant and sign a data processing agreement (DPA).
  • Do not enter unnecessary personal data into prompts; anonymise where possible.
  • Enable EU data residency where the provider offers it.
  • Keep a professional in the loop: quotes, prices, contracts and bids are commercially confidential; supplier and contact details also contain personal data.

Stronger or equally strong in procurement & tendering

OffradaOffrada (NL)TactoTacto Technology GmbH (Munich, DE)BrainialBrainial B.V. (Utrecht, NL)AlturaAltura (Amsterdam, Netherlands)SievoSievo (Helsinki, FI)

Latest developments

19 October 2026Claude models in Copilot Cowork process data outside the EU Data Boundary

Copilot Cowork relies on Anthropic's Claude models for demanding tasks. Because that processing takes place outside the EU Data Boundary, Anthropic is switched off by default in European Microsoft 365 tenants. Anyone who turns it on has data processed outside the EU Data Boundary; at the same time, pay-per-use (Copilot Credits) is coming, in the Netherlands postponed until 1 December 2026. source

18 September 2026Plugin4Shell: GitHub Copilot still unpatched (zero-click RCE via plugin updates)

Research lab Air Security publicly disclosed Plugin4Shell on 18 September 2026: a zero-click RCE in the plugin mechanism of AI coding agents. The agent pins a plugin to a commit hash but does not verify that the retrieved code belongs to that hash; whoever controls or takes over the upstream repository can thus have code executed during the automatic background update, without any action by the user. GitHub Copilot had no patch at the time of publication, although the report was made to all vendors in June 2026. GDPR relevance: plugins run with the developer's rights (source code, cloud credentials, SSH keys, internal repositories, production systems). If you process personal data on or via development machines, this directly affects your security measures under Art. 32 GDPR. Measures: inventory installed plugins and the owners of those repositories, disable automatic plugin updates where possible, and restrict credentials on development machines. Note: this concerns the GitHub Copilot coding agent, not Microsoft 365 Copilot. source

15 April 2026Caveats regarding the EU Data Boundary

The Claude models within Microsoft 365 Copilot fall outside the EU Data Boundary; 'flex routing' can route outside the EU during peak load and can be switched off by administrators. source

Questions

How safe is Copilot for procurement & tendering?
Copilot has a concrete GDPR concern. The Claude models within Copilot officially fall outside the EU Data Boundary. If you want to process strictly EU-only, exclude the Claude models in the admin panel. Weigh this heavily before deploying it in procurement & tendering. There is a concrete GDPR concern, read the details on the page.
Does Copilot train on my data?
Microsoft 365 Copilot (business) falls under the EU Data Boundary and does not train on tenant data. Consumer Copilot does train by default, with an opt-out.
What should I look out for with AI in procurement & tendering?
Quotes, prices, contracts and submissions are commercially confidential; supplier and contact details also contain personal data. Sign a data processing agreement, ask where the data is stored (EU hosting) and which AI sub-processors are used, and get it recorded that your bids and spend data are not used to train models. Never paste confidential documents from an ongoing tender into a free chatbot. In public procurement, the Dutch Public Procurement Act and the principles of equal treatment and transparency apply: do not let AI award or exclude on its own, and explain how an assessment was reached. If you as a public body procure AI yourself, use the PIANOo guideline 'Buying or having algorithms and AI developed' and take the AI Act into account. An AI-generated submission remains your responsibility: check every commitment.

Source documents

learn.microsoft.comlearn.microsoft.com

Everything about Copilot Best AI for procurement & tendering

Summarised by the editorial team from provider documentation · not legal advice

Last checked: 15 October 2026 · How we check

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