https://www.theguardian.com/world/2020/dec/09/hackers-accessed-vaccine-documents-in-cyber-attack-on-ema

Papers relating to Pfizer/BioNTech vaccine reportedly targeted in attack on European Medicines Agency

German biotech firm BioNTech said on Wednesday that regulation documents related to the Covid-19 vaccine it has developed with Pfizer were “unlawfully accessed” after a cyber-attack on Europe’s medicines regulator.