On 2 April 2026, the National Bank of Belgium (NBB) issued Circular NBB_2026_04, which outlines new reporting requirements for major ICT-related incidents and the voluntary notification of significant cyber threats under the Digital Operational Resilience Act (DORA). The circular applies to a wide range of financial institutions, including systemic banks, credit institutions, stockbroking firms, insurance and reinsurance companies, market infrastructures, institutions authorised to hold dematerialised securities, and payment and e‑money institutions. The document clarifies the types of incidents that must be reported, the timelines for notification, and the procedures for voluntary cyber threat reporting. The NBB aims to strengthen the resilience of Belgium’s financial sector to cyber risks by ensuring timely and consistent information flow.
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