'Serious risk' to India's largest nuclear plant after sensitive files leaked on dark web
A ransomware group has leaked thousands of sensitive files related to India's Kudankulam Nuclear Power Plant, raising significant security concerns. While core reactor systems appear unaffected, experts warn that the leaked blueprints and vendor data could be exploited by hostile actors.
Why it matters
The breach of critical infrastructure data poses a major national security risk and highlights vulnerabilities in third-party supply chains.
NEW DELHI: A ransomware group has published thousands of files allegedly linked to India's largest nuclear power plant, Kudankulam, in what experts warn could pose a "serious" risk to the facility's safety.The hacker group World Leaks posted on the dark web what it claims are more than 19,000 sensitive files related to the Kudankulam Nuclear Power Plant in Tamil Nadu. The documents are part of a larger cache of approximately 858,000 files allegedly stolen from Reliance Group, one of the contractors involved in the project.Reliance Group confirmed a "partial breach" of its data on a server hosted by third-party Indian data centre provider Yotta, to Reuters. They added that the government had been informed. The company did not disclose what data had been breached.What the leaked files containReuters reviewed the leaked documents, dated from 2016 to mid-2025 , but could not verify their authenticity.
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in