DisclosureLens
GLOBALMalwareFinancial ServicesFinanceRansomwareWorldleaksRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

CHATHAM ASSET MANAGEMENT, LLC

bd_d1d7d80084f44232 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Dec 23, 2025

To disclose

—

Affected

Not disclosed

Linked

4 records

Confidence

50%
Full breach record for CHATHAM ASSET MANAGEMENT, LLC →2 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Worldleaks 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: Financial ServicesDiscovered: 2025-12-23
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Company description · AI-generated by the aggregator, not the leak post

Chatham Asset Management is a private investment firm specializing in various sectors like media, real estate, and more. They primarily focus on improving operations, promoting growth, reducing costs, and increasing profits. They also aim at managing companies that are undervalued or facing financial difficulties. Established in 2002, it is headquartered in Chatham, New Jersey, USA.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Dec 23, 2025

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 4 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Indiana State AGJan 15 · first
Massachusetts State AG+5d
Vermont State AG+5d

Pattern: first filing Jan 15 (IN), last Jan 20 (VT) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

About this groupFirst seen 2022-06-23

worldleaks

According to ransomware.live, World Leaks emerged in January 2025 as a rebrand of the Hunters International ransomware operation, shifting its focus from file encryption to solely stealing sensitive data and threatening to leak it unless a ransom is paid

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