Cracking AI Secrecy: EU Migration Law & Governance and Beyond

European Law Open (forthcoming)

48 Pages Posted: 17 Oct 2025

See all articles by Deirdre Curtin

Deirdre Curtin

European University Institute - Department of Law (LAW); affiliation not provided to SSRN

Tommaso Fia

University College London, Faculty of Laws

Date Written: October 16, 2025

Abstract

In core government and for public tasks hugely sensitive for citizens such as migration governance in Europe, the use of AI systems developed and provided under contract gives migration authorities and private providers the power to keep their deployment secret and to refuse access to their key components. This paper explores the complex interplay between public and private drivers of secrecy surrounding procured AI technologies in European migration governance, demonstrating how these forces converge and reinforce one another. We examine AI secrecy as an institutional framework shaped by both public and private law forms of secrecy, applying the spectrum of secrecy from deep (unknown unknowns) to shallow secrecy (known unknowns). Specifically, our paper delves into the sources of ‘political secrecy’ in migration and security authorities, highlighting how migration agencies and authorities keep the existence and use of AI systems from the civil society and affected persons (such as third country nationals). Next, it analyses the legal frameworks that sustain AI vendors’ private secrecy, such as trade secrecy, secrecy in procurement procedures and agreements. In examining the various secrecy points, the paper critiques the limited impact of the newly enacted AI Act in addressing the entrenched secrecy of AI deployment and development in migration governance. Finally, we condense the main takeaways and examine the broader repercussions of AI secrecy beyond the context of migration governance, touching upon its implications for a new equilibrium transcending the conventional public/private divide.

Keywords: AI, secrecy, migration, border control, EU law, governance, trade secrecy, state secrecy, political secrecy

Suggested Citation

Curtin, Deirdre M. and Curtin, Deirdre M. and Fia, Tommaso, Cracking AI Secrecy: EU Migration Law & Governance and Beyond (October 16, 2025). European Law Open (forthcoming), Available at SSRN: https://ssrn.com/abstract=5614931 or http://dx.doi.org/10.2139/ssrn.5614931

Deirdre M. Curtin

European University Institute - Department of Law (LAW) ( email )

Via Bolognese 156 (Villa Salviati)
50-139 Firenze
Italy

HOME PAGE: http://www.eui.eu/people?id=deirdre-curtin

affiliation not provided to SSRN

Tommaso Fia (Contact Author)

University College London, Faculty of Laws ( email )

London
United Kingdom

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