Kudankulam Nuclear Power Plant Cybersecurity Incident
One of 7,271 projects Taiyo tracks in Tamil Nadu.
Source: The Indian Express
The Kudankulam Nuclear Power Plant (KKNP) in Tamil Nadu, India, experienced a cyberattack in 2019 involving malware attributed to a North Korean hacking group. The attack targeted the plant's administrative network, specifically the domain controller, exposing credentials and raising concerns about cybersecurity risks to India's strategic nuclear assets. The plant operates with an air-gapped netwo
- Status
- Closed
- Sector
- Power Generation (CCGT)
- Location
- Tirunelveli, Tamil Nadu, India
- Updated
- 22 Jul 2026
- Source
- The Indian Express
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Project Information
Participants
| Not available for this record. |
Status
Original status | completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The Kudankulam Nuclear Power Plant (KKNP) in Tamil Nadu, India, experienced a cyberattack in 2019 involving malware attributed to a North Korean hacking group. The attack targeted the plant's administrative network, specifically the domain controller, exposing credentials and raising concerns about cybersecurity risks to India's strategic nuclear assets. The plant operates with an air-gapped network architecture separating critical reactor control systems from administrative networks. The incident was investigated by the Department of Atomic Energy and CERT-In, with NPCIL confirming the breach but stating that critical systems were not affected. |
Original sector | Energy |
Location
Country | India |
State | Tamil Nadu |
City | Tirunelveli |
Source
Source | The Indian Express |
URL |
More Details
Record type | Project |
Sector | Power Generation (CCGT) |
Article published date | 2026-07-21 |
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