Call to ban sharing of medical data after UK Biobank breach
The charity revoked access for three Chinese institutions and alerted regulators after listings appeared on Alibaba and no purchases were reported.
- On Monday, April 20, 2026, the UK Biobank charity notified the government that de-identified records for 500,000 volunteers were listed for sale on Chinese e-commerce site Alibaba; the listings were swiftly removed with no recorded purchases.
- Technology Minister Ian Murray confirmed that three Chinese research institutions legitimately downloaded the data before it appeared online, prompting the charity to revoke their access pending investigation.
- While Biobank chief executive Professor Sir Rory Collins stated the leaked files were de-identified, Murray acknowledged he could not guarantee complete anonymity, noting records included gender, age, socioeconomic status, and lifestyle habits.
- Following the incident, UK Biobank suspended all research platform access to implement stricter file-size limits, while referring itself to the Information Commissioner's Office for a formal security review.
- Experts warn this incident threatens the covenant of trust essential for medical research, potentially forcing the government to impose tighter controls and greater scrutiny on international data access.
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78 Articles
Information regarding mental health, socioeconomic status, lifestyle habits, and cognitive functioning leaked, as did blood tests and cancer diagnoses. The information has since been taken offline, says the UK Biobank.
UK Suspends Access to Biobank Data After Listings Appear on China’s Alibaba
The UK government has paused researcher downloads from the UK Biobank after de-identified participant data was advertised for sale on Alibaba-linked e-commerce platforms in China. The incident prompted a security review and renewed scrutiny of protections surrounding one of the world’s largest biomedical research databases. The Biobank is a collection of health data offered by volunteers, which scientists use for research. UK technology minister…
Sex, age, life habits and biological samples of half a million people were available for online purchase. Data have already been removed and accesses, revoked.
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