DisclosureLens
GLOBALMalwareFinancial ServicesFinanceRansomwareN0nRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Argentem Creek Partners (investment firm)

bd_76f8003b3d7d1e23 · schema v1 · pii pii-v2

Severity

High

Discovered

Filed

Sep 18, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Argentem Creek Partners (investment firm)

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group N0n 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: 2026-09-18

Source: Ransomware.live

Post text · scraped from the leak site

Investment management / private credit · United States | Full corporate network evidence: 2.5M+ connection records, complete internal systems map (Active Directory, SharePoint, MSP tooling, office-security integrations); Tax-season document flows of the firm and its investor document delivery platform | Corporate connectivity remains severed until settlement. | [ACTIVE: deadline 2026-09-21 03:01 UTC]

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 18, 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 group

n0n

11 victims claimed globally11 tracked hereFull profile →