On 27th and 28th April, Fisabio organised the ‘Biomedical Data Anonymization Hackathon’, an open and free session which was held via Zoom platform. This meeting included courses about different methodologies for data anonymization, lab demos of these methods and re-identification exercises, all these activities were guided by Fisabio researches. Video courses and the slides used during the Hackathon are now available in Github at https://github.com/BIMCV-CSUSP/AnonymizationHackaton.