DisclosureLens
GLOBALMalwareEnergy & UtilitiesUtilitiesRansomwareEmperadorRansom DemandedActor NamedMedium

Vietnam Electricity(EVNHANOI)

bd_2cd421e15fa0b004 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Filed

Aug 22, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Vietnam Electricity(EVNHANOI)

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Emperador on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Energy & UtilitiesDiscovered: 2026-08-22

Source: Ransomware.live

Post text · scraped from the leak site

Vietnam Electricity (EVN), legally known as Tập đoàn Điện lực Việt Nam, is the largest power company and the sole national electric utility in Vietnam. Fully owned and controlled by the Vietnamese government since its inception in 1994, EVN operates as a vertically integrated monopoly responsible for the 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. Serving as a crucial pillar for Vietnam's macroeconomic stability and industrial expansion, EVN is currently undertaking extensive grid digitalization and spearheading the national transition from coal dependency toward clean and renewable energy integration. The data content exceeds 300GB, comprising 13.36 million rows of customer details, 6.99 million subscriptions, 2.26 million account records, and other miscellaneous data.The price is open to negotiation. Session:054e5b6edf03e8ba012626b5dcd83a7dd47a046760bcd9b9b32d02a039d24d9608 Tox:852E34CBEBA2D40FD21BAC9F9E588B5194DBA9F31CACF9ECE316403120BE18765D22A8A453C4 [Size: 300.0 GB | Sector: Government, Energy]

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 22, 2026

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this group

emperador

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