DisclosureLens
GLOBALMalwareEducationEducationRansomwareCl0pRansom DemandedActor NamedMedium

TRUSTEES OF DARTMOUTH COLLEGE

bd_4db3998ddb197070 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 13, 2025

To disclose

—

Affected

Not disclosed

Linked

13 filings

Confidence

50%

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Cl0p 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: 2025-11-13
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Incident timeline — mostly unverified

? — ?

Breach window unknown

Nov 13, 2025

Claim posted

—

Corroborated · see linked filings

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

Claim → filing

—

Compliance clock

Not assessable

This filing is one of 13 about the same incident.View merged incident
Part of ORACLE CORPORATION supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 11d gap

Showing first 10 of 12 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗
Leak SiteNov 13 · first · this page
Maine State AG+10d
Oregon State AG+10d
Indiana State AG+10d
Montana State AG+10d
Washington State AG+10d
Massachusetts State AG+10d
Nebraska State AG+10d
California State AG+10d
New Hampshire State AG+10d
Texas State AG+11d

Pattern: first filing Nov 13, last Nov 25 (TX) — a 11-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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.

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.