{"id":129415,"date":"2026-07-15T17:24:12","date_gmt":"2026-07-15T12:24:12","guid":{"rendered":"https:\/\/nationaltimes.pk\/eng\/?p=129415"},"modified":"2026-07-15T17:24:14","modified_gmt":"2026-07-15T12:24:14","slug":"files-relating-to-indias-largest-nuclear-power-plant-exposed-in-data-breach","status":"publish","type":"post","link":"https:\/\/nationaltimes.pk\/eng\/2026\/129415\/","title":{"rendered":"Files relating to India\u2019s largest nuclear power plant exposed in data breach"},"content":{"rendered":"\n

Web desk(National Times)- Ransomware group World Leaks has posted on the dark web a huge cache of files related to India\u2019s largest nuclear plant, including purported blueprints of parts of its facilities and supplier details \u2014 information it \u200blabelled as coming from Reliance Group.<\/p>\n\n\n\n

The Kudankulam Nuclear Power Plant, located in the southern state of Tamil Nadu, is the largest of India\u2019s seven nuclear plants and central to Prime Minister \u200cNarendra Modi\u2019s ambitious plans to expand the country\u2019s atomic energy capacity.<\/p>\n\n\n\n

Indian businessman Anil Ambani\u2019s Reliance Group, one of the plant\u2019s contractors, told Reuters<\/em> in a statement that there had been a \u201cpartial breach\u201d of its data on a server hosted by third-party Indian data centre service provider Yotta, and that the government had been informed about the incident.<\/p>\n\n\n\n

Reliance did not disclose what data had been breached.<\/p>\n\n\n\n

The data breach could pose a \u201cserious\u201d risk to the safety of the plant, says Nickolas Roth, a senior director at the Nuclear Threat Initiative, which \u200badvises governments and benchmarks countries\u2019 preparedness on nuclear security. The breach also underscores how hacks have become more common in India, where many companies are ill-equipped to deal with such threats.<\/p>\n\n\n\n

Reuters<\/em> reviewed the documents, which \u200bwere dated from 2016 to mid-2025, but could not verify their authenticity. In addition to some blueprints and supplier details, they purportedly show meeting and inspection records, equipment \u2060reviews and insurance policies.<\/p>\n\n\n\n

The 19,000 files appeared to be the most sensitive of a total 858,000 Reliance files on the World Leaks website.<\/p>\n\n\n\n

One of the conglomerate\u2019s subsidiaries, Reliance Infrastructure, won a contract in 2018 to design and \u200bbuild infrastructure for the plant\u2019s Unit 3 and Unit 4. Both units, still under construction, are due to be operational by 2027 and are slated to provide a combined 2,000 megawatts of capacity.<\/p>\n\n\n\n

World Leaks, a well-known ransomware group that \u200bhas previously targeted Nike and India\u2019s Tata Group, did not respond to Reuters<\/em> queries on the Reliance data breach. The group typically posts stolen corporate data on its website after companies decline to pay the ransom demanded. Its website can only be accessed with a specialised browser.<\/p>\n\n\n\n

In June, World Leaks told Reuters<\/em> it had sought $1.5 million in ransom for Tata Group files that contained confidential component designs of clients Apple and Tesla, adding that it posted the data after Tata \u201cignored\u201d its demand.<\/p>\n\n\n\n

<\/a>Suspicious activity on server in May<\/h2>\n\n\n\n

The Nuclear Power Corporation of \u200bIndia, which commissions and operates the country\u2019s nuclear power plants, has been communicating with Reliance about the breach and India\u2019s main cybersecurity agency \u2014 the Indian Computer Emergency Response Team (CERT-In) \u2014 is looking into the incident, according to a source \u200bfamiliar with the matter. The source declined to be identified due to the sensitivity of the issue.<\/p>\n\n\n\n

Nuclear Power Corporation Chairman Rajesh Veeraraghavan, CERT-In and the government\u2019s main press office did not respond to repeated requests for comment.<\/p>\n\n\n\n

Yotta said in a statement it \u200chad noted suspicious \u2060activity on May 29 on a server it hosts that belongs to Reliance Infrastructure. It said the activity was immediately terminated and that the suspected ransomware execution was prevented, but Reliance Infrastructure informed it at the end of June that there had been claims of a data breach made by \u201cexternal threat actors\u201d.<\/p>\n\n\n\n

Yotta said it has not been able to verify the claims of the \u201cthreat actor\u201d, but added that it has shared its detailed technical investigation with Reliance Infrastructure and supports an ongoing investigation.<\/p>\n\n\n\n

India\u2019s Department of Atomic Energy declined to comment, while Modi\u2019s office did not respond to Reuters queries.<\/p>\n\n\n\n

<\/a>Blueprints and insurance policies<\/h2>\n\n\n\n

The documents posted on World Leaks do not appear to relate to the nuclear reactors\u2019 core \u200bsystems, which are supplied by Russia\u2019s state-owned Rosatom.<\/p>\n\n\n\n

They did \u200bcontain purported blueprints for the ventilation and cooling systems \u2060used in Unit 3 and Unit 4, as well as what appeared to be the complete floor layout of a \u201ccommon control room\u201d.<\/p>\n\n\n\n

The files also included what appeared to be vendor proposals, a list of approved suppliers, and a record of a 2024 meeting about a joint inspection by the Nuclear Power Corporation and Reliance, with photos of equipment.<\/p>\n\n\n\n

Another \u200bdocument purports to show that Reliance Infrastructure and the Nuclear Power Corporation had taken out an insurance policy that would entitle them to $112m if either Unit \u200b3 or Unit 4 were \u2060to suffer an act of terrorism.<\/p>\n\n\n\n

The files, in the hands of bad actors, could in theory be exploited to map the plant\u2019s support systems, identify its suppliers and pinpoint weaknesses in its security chain, according to researchers.<\/p>\n\n\n\n

They could \u201cshow an adversary not just who has access to the project but which systems that access reaches\u201d, said Nuclear Threat Initiative\u2019s Roth.<\/p>\n\n\n\n

India ranks third among a list of countries suffering the most data breaches<\/a>, with 28.9m accounts compromised last year, lagging only the United \u2060States and France, \u200baccording to cybersecurity company Surfshark.<\/p>\n\n\n\n

A report last year by the Data Security Council of India and cybersecurity firm Seqrite said that of 204 \u200borganisations surveyed across India, some 73 per cent were \u201cunaware if they have ever been attacked\u201d while 57pc lack cyber hygiene practices.<\/p>\n\n\n\n

It is also the second time that the Kudankulam plant has been linked to a cyber incident, with malware tied to a North Korean hacker group found on the \u200bplant\u2019s administrative network in 2019. At the time, the Nuclear Power Corporation said the matter was investigated immediately and plant systems were not affected.<\/p>\n","protected":false},"excerpt":{"rendered":"

Web desk(National Times)- Ransomware group World Leaks has posted on the dark web a huge cache of files related to India\u2019s largest nuclear plant, including purported blueprints of parts of its facilities and supplier details \u2014 information it \u200blabelled as coming from Reliance Group. The Kudankulam Nuclear Power Plant, located in the southern state of […]<\/p>\n","protected":false},"author":2,"featured_media":129416,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-129415","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-latest_news","entry"],"yoast_head":"\nFiles relating to India\u2019s largest nuclear power plant exposed in data breach - Nation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nationaltimes.pk\/eng\/2026\/129415\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Files relating to India\u2019s largest nuclear power plant exposed in data breach - Nation\" \/>\n<meta property=\"og:description\" content=\"Web desk(National Times)- Ransomware group World Leaks has posted on the dark web a huge cache of files related to India\u2019s largest nuclear plant, including purported blueprints of parts of its facilities and supplier details \u2014 information it \u200blabelled as coming from Reliance Group. 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