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Tập đoàn Điện lực Việt Nam (Vietnam Electricity / EVN)

listed as Vietnam Electricity (EVN / EVNHANOI) · Claimed by Emperador · listed 4 hours ago

300GB+
Data size
22,610,000+ records
Today
Age
since listed · listed for ransom

Status timeline

  1. ListedAug 31, 2026

Current state: Listed for ransom

At a glance

Group
Emperador
Status
Listed for ransom
Country
Vietnam
Sector
Energy / Utilities
Listed on leak site
Aug 31, 2026
Data size
300GB+
Records
22,610,000+

About the victim

AI dossier — public-source company profile

EVN is Vietnam's largest and sole national electric utility, fully government-owned since 1994. It operates as a vertically integrated monopoly responsible for nationwide generation, transmission, and distribution of electricity, as well as international power exchanges. The group oversees all major power plants and regional distribution subsidiaries including EVNHANOI.

Industry
Electric Utilities & Power Generation
Founded
1994

Attack summary

Severity: critical — Confirmed exfiltration of massive-scale personally identifiable information (13.36M+ customer records) from critical national infrastructure; operational disruption via encryption of critical systems; government-owned strategic asset.

The grupo claiming full access to EVN's infrastructure states they have exfiltrated 300GB+ of data including customer records, subscriptions, and account information. The group encrypted critical systems and is demanding negotiation within 14 days, threatening public data release.

critical

Data the group says was taken

AI dossier — extracted from the leak post
  • Customer details (13.36 million records)
  • Subscription records (6.99 million)
  • Account records (2.26 million)
  • Internal infrastructure data
  • Databases and admin credentials
  • Email systems

The group's post references roughly 3 proof files.

What the group claims

Vietnam Electricity (EVN), the largest power company and sole national electric utility in Vietnam, fully owned by the Vietnamese government. Data exceeds 300GB comprising customer details, subscriptions, and account records.

The leak post

captured from the group's site
[ full commitment of the network having full access to infrastructure, thus ensuring access to the database containing confidential and financial information! I obtained some images that compromise the financial sector. You have 13 days to trade. If the trade doesn't occur as planned, we will have to take severe measures. I sent some images to show the veracity of the attack. The warning has been given! ](http://emprdr4p7iwlhpky33tswt3k2qdeljyjcdpoysabudmmrz4z32laexad.onion/post/uniguacu/) [ The data contains really sensitive information from 4 PV projects looking for investment/financing of Hanwha. We extracted around 12GB of highly sensitive information relating to the following projects: - Bonanza Peak (3GB) - Boulder Solar III (0.7GB) - Obreron Portfolio (4.8GB) - Project Sprout (3.7GB) In the data we found highly sensitive information including: - PPAs - Financial models - Interconnection agreements - Engineering designs of the assets - Personal identifiable information - Sensitive reports, budgets, financial information Reach out to prevent the leak. Cost of litigation from counterparties for breach of confidentiality is way higher. Commercially, good luck negotiating after y…

Data the group says was taken

  • customer details
  • subscription records
  • account records

Screenshot of the leak post

Leak screenshot for Vietnam Electricity (EVN / EVNHANOI)

Sources

Source

Indexed 4 hours ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About emperador

Emperador is a ransomware group first observed in August 2026 with an apparent financial motivation, though its limited operational history makes comprehensive attribution difficult at this time. Based on available data, the group has recorded at least one confirmed victim, with targeting concentrated in the Philippines and a demonstrated focus on the Government and Defense sector, suggesting either opportunistic targeting or a deliberate interest in sensitive public-sector data. Specific details regarding initial access vectors, encryption methodologies, and tooling have not been publicly documented by CISA, the FBI, Mandiant, or other reputable threat intelligence sources as of this profile's compilation, and no affiliation with known ransomware-as-a-service ecosystems or established threat actor clusters has been formally established. No notable high-profile campaigns, record ransom demands, or law enforcement actions have been publicly attributed to this group, which is consistent with its nascent operational timeline and minimal victim count. Given its very recent emergence and limited observed activity, Emperador should be considered an emerging and uncharacterized threat requiring continued monitoring, particularly by organizations operating within Philippine government and defense environments. The group has been linked to 18 public disclosures across our corpus. First observed on a leak site on August 12, 2026; most recent post August 31, 2026. The operation is currently active.

Timeline of this disclosure

  • August 31, 2026Vietnam Electricity (EVN / EVNHANOI) listed by emperadoron the group's public leak site
Data size
300GB+
Records
22,610,000+

Other recent disclosures by emperador

emperador has been linked to 18 public victims on Darkfield. A sample of the most recent:

See the full emperador dossier →

Sector and geography

This disclosure adds to ransomware activity in the Energy / Utilities sector. Geographically, Vietnam Electricity (EVN / EVNHANOI) is reported in Vietnam, a country with 14 ransomware disclosures in our corpus.

If your organisation is affected

A listing by emperador means Vietnam Electricity (EVN / EVNHANOI) appeared on a ransomware extortion site and is being pressured to pay before any publication. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Monitor for the data appearing on emperador's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.