DisclosureLens
GLOBALMalwareEnergy & UtilitiesUtilitiesRansomwareThegentlemenRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Nathalin Group

bd_5ae26208bfa56b76 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Feb 25, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Nathalin Group

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Thegentlemen 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: EnergyDiscovered: 2026-02-25

Source: Ransomware.live

Post text · scraped from the leak site

nathalin.com zoominfo.com/c/nathalin-group-co-ltd/353727230 Nathalin Group was founded on 21st July 1987 formerly known as "Buawaree Company Limited" and had been changed to "Nathalin Co.,Ltd in September the same year. We are widely recognized as one of the largest independent operator of petroleum and chemicals tanker in Thailand. We provide various marine services to fulfill our customers need; Logistics and Storing, International Maritime, Floating Storage and Trading and Service. We have succeed in encouraging our crew to operate under international standard that we obtained ISM Code Certificate by Lloyd's register of shipping (LR), ISO 9001:2000 by SGS and participated in Tanker Management and Self-Assessment (TMSA) program, which has been verified by major oils

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 25, 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 groupFirst seen 2023-02-28

thegentlemen

According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.

870 tracked hereFull profile →