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New version of the Public Register of the Audit Profession

The CSSF has published a new version of the public register of the audit profession to improve user experience and simplify access to related identification information. The register provides access to information on réviseurs d’entreprises agréés (approved statutory auditors) and audit firms in Luxembourg. It…

The European Banking Authority (EBA) advises the European Commission on the foundations of the new anti-money laundering/countering the financing of terrorism regime

The EBA responded on 30 October 2025 to the European Commission’s Call for Advice on the key components of the new anti-money laundering/countering the financing of terrorism (AML/CFT) framework. This advice puts forward a risk-based and proportionate approach that will support the swift and effective…

Circular CSSF 25/898

Update of Circular CSSF 07/325 on Provisions relating to credit institutions and investment firms of EU origin established in Luxembourg by way of branches or exercising activities in Luxembourg by way of free provision of services, as amended by Circulars CSSF 21/765 and CSSF 22/827

Circular CSSF 25/897

Update of Circular CSSF 22/821 on the Long Form Report, as amended by Circulars CSSF 23/845 and CSSF 24/865

Annex of Circular CSSF 22/822

1) high-risk jurisdictions on which enhanced due diligence and, where appropriate, counter-measures are imposed 2) jurisdictions under increased monitoring of the FATF Version of 27 October 2025

Global situation of undertakings for collective investment at the end of September 2025

Press release 25/17
As at 30 September 2025, the total net assets of undertakings for collective investment, comprising UCIs subject to the 2010 Law, specialised investment funds and SICARs, amounted to EUR 6,025.044 billion compared to EUR 5,950.291 billion as at 31 August 2025, i.e.…

Multiple Vulnerabilities in F5 Devices and Products

The CSSF has been made aware that a nation-state actor has breached F5’s systems and stolen proprietary files, including portions of the BIG-IP source code and vulnerability details. This access gives the attacker a significant advantage, enabling them to discover new flaws and develop targeted…

ESMA’s First “Data Day” – Burden Reduction in the Digitalisation Era

The CSSF draws the attention to the forthcoming ‘ESMA Data Day – Burden Reduction in the Digitalisation Era’ on 2 December 2025. The European Securities and Markets Authority (ESMA) will host its first-ever Data Day on 2 December 2025 — a landmark event bringing together…