An investigation revealed a data leak affecting hundreds of thousands of people in Belgium. At least forty‑seven companies and institutions have been identified as victims of the breach. The leaks have been occurring since the start of 2026. The findings were published on a Saturday by the Belgian newspaper L’Echo. Researchers based their conclusions on monitoring activity on the dark web. L’Echo conducted the monitoring together with a partner organization. The report indicates that personal information from many individuals may have been exposed.