Vietnam Electricity (EVNHANOI), Vietnam’s state-owned national electric utility, was targeted by the emperador ransomware group, with attackers claiming theft of over 300GB of data including customer details, subscriptions, and account records, and that the ransom price is open to negotiation. The impact is reported for #Vietnam.
Incident Details
- Victim: Vietnam Electricity(EVNHANOI)
- Sector: Energy & Utilities
- Country: VN
- Actor: emperador
- Source: /post/vietnam-electricityevnhanoi/
- Discovered: 2026-08-22T16:20:45.961955+00:00
- Published: 2026-08-22T15:32:00+00:00
Information
- One of Vietnam’s largest power companies and the sole national electric utility, operating as a government-owned vertically integrated monopoly.
- Responsible for nationwide electricity generation, transmission, distribution, and international power exchanges.
- Oversees major power plants and regional distribution subsidiaries, including EVNHANOI.
- Plays a critical role in Vietnam’s macroeconomic stability and industrial growth.
- Actively pursuing grid digitalization and the transition from coal toward clean and renewable energy.
- The exposed data reportedly exceeds 300 GB.
- Leaked information includes 13.36 million customer detail rows, 6.99 million subscriptions, 2.26 million account records, and other data.
- The price is open for negotiation.
Disclaimer: This post is based on public claims made by the ransomware group "emperador". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.