European Space Agency Confirms Limited Data Breach Incident

Spacewatch.Global • December 31, 2025

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ESA has confirmed allegations of a data breach on its servers stating that the breach affected a very limited number of science servers.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

ESA Confirms Cybersecurity Breach of External Servers The European Space Agency (ESA) has confirmed a cybersecurity breach affecting a limited number of external servers. The breach involves a threat actor offering 200 GB of allegedly stolen data for sale on a dark web forum. ESA publicly disclosed the breach on December 30, 2025. 20 sources 33

Extracted Entities

Attack Types (1)

Companies (1)

European Space Agency