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Ozempic maker Novo Nordisk breach exposed patientsโ€™ clinical trial data

Ozempic maker Novo Nordisk breach exposed patientsโ€™ clinical trial data Novo Nordisk said this security incident affected patient data, including health information and birth year By Jackie Flynn Mogensen edited by Claire Cameron Last week Danish pharmaceutical company Novo No

Ozempic maker Novo Nordisk breach exposed patientsโ€™ clinical trial data
Scientific American โ€” 16 June 2026
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Ozempic maker Novo Nordisk breach exposed patientsโ€™ clinical trial data

Novo Nordisk said this security incident affected patient data, including health information and birth year

Last week Danish pharmaceutical company Novo Nordisk , the maker of the popular diabetes and weight-loss drugs Ozempic and Wegovy, revealed it had suffered a data breach involving โ€œunauthorized accessโ€ to clinical trial data.

The company said in a statement and letter to patients that the incident doesnโ€™t appear to pose โ€œany immediate risksโ€ to trial participants. The apparent hack exposed information about patients that was collected for clinical trials, and this information included age, sex, health data and lifestyle factors, as well as a randomized patient IDs. โ€œDirect identifiers,โ€ such as patientsโ€™ names, were not affected, the company said.

โ€œWe therefore do not consider the incident to enable any third party to identify participants in our clinical trials,โ€ the company stated in its announcement. โ€œUpon learning of the incident, we launched an investigation with the assistance of external cybersecurity experts, and we are in contact with the relevant authorities.โ€

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Still, Novo Nordisk urged patients to โ€œremain vigilantโ€ and report any unusual activity that could be related to their personal information. One hacker group, FulcrumSec, told cybersecurity blog DataBreaches that it was behind the attack, but that has not been confirmed.

โ€œA data breach of this nature is absolutely a cause for concern,โ€ says Nathan Wenzler, a field chief information security officer at the cybersecurity company Optiv Security. โ€œIn this day and age, after hundreds, if not thousands, of data breaches, big and small, no one should be looking at a single data breach in isolation when determining its impact.โ€

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