DisclosureLens
GLOBALMalwareEducationEducationRansomwareThegentlemenRansom DemandedActor NamedMedium

Wellington College International School Bangkok

bd_852956b6bedf478c · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Oct 16, 2026

To disclose

—

Affected

Not disclosed

Confidence

50%
Full breach record for Wellington College International School Bangkok →

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: EducationDiscovered: 2026-10-17

Source: Ransomware.live

Post text · scraped from the leak site

wellingtoncollege.ac.th Wellington College Bangkok is a British international school for ages 2 to 18, opened in 2018 as part of Wellington College UK, with around 1100 students on a 28 acre campus in eastern Bangkok. The curriculum runs from the English National Curriculum to IGCSE and A Levels, with the first graduating class in 2026. Fees range from about 639000 baht per year in pre nursery up to 1283500 baht in Year 12, plus a 225000 baht registration fee and a 175000 baht refundable deposit. Results are elite level with 80 percent A star or A at IGCSE and every graduate of 2026 admitted to their first choice university including Stanford, Yale and Imperial College. Admissions are selective with CAT4 testing and interviews, and strong English is required from Year 10. The school is famous for its Olympic pool, FIFA standard pitch, 600 seat theatre, wellbeing curriculum and scholarships in music, swimming, golf and academics.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 16, 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.

1,059 tracked hereFull profile →