Kudankulam Nuclear Power Plant data leak: What happened and what we know | Explained
A ransomware attack on Yotta Data Services, a third-party provider for Reliance Infrastructure, resulted in a data leak involving operational files from the Kudankulam Nuclear Power Plant. Officials confirmed that the leaked data pertains only to conventional plant services and does not compromise nuclear safety or security.
The story so far: On Tuesday (July 15, 2026), reports broke out that multiple gigabytes of data pertaining to operations at the Kudankulam Nuclear Power Plant had been copied and subsequently leaked as part of a ransomware attack. Newswire agency Reuters reported that the breach was part of an infiltration into Reliance Anil Dhirubhai Ambani Group’s Reliance Infrastructure Ltd, and contained 14.3 GB of data on the power plant’s operations.
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