DisclosureLens
GLOBALMalwareEducationEducationRansomwareThegentlemenRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

CERES

bd_5d03eca56ec7546c · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Sep 9, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for CERES

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: 2025-09-09

Source: Ransomware.live

Post text · scraped from the leak site

www.ceres-uy.org , ceres.uy , https://www.zoominfo.com/c/ceres/458476148 ¿Qué es CERES? CERES (Centro de Estudios de la Realidad Económica y Social) es un centro de investigación independiente y sin fines de lucro, dedicado al análisis económico de las economías de América Latina, al diseño de políticas públicas y a promover su debate a nivel local y en foros internacionales. Visión Por un crecimiento con igualdad de oportunidades. Misión Contribuir a generar y debatir una agenda de políticas públicas capaces de promover el desarrollo económico y social en América Latina, mediante un trabajo de investigación y análisis innovador e independiente

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 9, 2025

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 →