Data Breach Exposes Sensitive Files of India's Kudankulam Nuclear Plant

On July 15, 2026, the ransomware group World Leaks leaked over 19,000 files related to India's Kudankulam Nuclear Power Plant on the dark web. The leaked documents, allegedly from Reliance Group, include blueprints, supplier details, and inspection records, raising serious security concerns. Reliance confirmed a 'partial breach' of data from a server managed by the third-party data center Yotta. The breach could pose significant risks to the plant's safety, according to experts. The leaked files are part of a larger cache of 858,000 documents. The Nuclear Power Corporation of India and CERT-In are investigating the incident. The breach reportedly does not include critical reactor technology but exposes sensitive infrastructure details. Reliance Infrastructure, a subsidiary of Reliance Group, is responsible for constructing Units 3 and 4, which are expected to be operational by 2027.

Key Points: • World Leaks leaked 19,000 files from the Kudankulam Nuclear Power Plant on July 15, 2026. • Reliance Group confirmed a partial data breach from a server hosted by Yotta. • The leaked documents include sensitive blueprints and supplier information, posing security risks.