DisclosureLens
GLOBALMalwareFinancial ServicesFinanceRansomwareQilinRansom DemandedActor NamedMedium

O’Connor

bd_fcd96e9b31fe877c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 25, 2025

To disclose

Affected

Not disclosed

Linked

10 filings

Confidence

50%

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Qilin 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: 2025-09-25

Source: Ransomware.live

Post text · scraped from the leak site

O'Connor Capital Partners is a real estate investment company specializing in retail, office, industrial, residential, and multifamily properties in major cities across North America and Europe. The company was founded in 1983 and is headquar ...

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 25, 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 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Show 4 more filingsup to 237d gap

Filing propagation · 9 filings · 8 states

View merged incident ↗
Massachusetts State AGJan 31 · first
New Hampshire State AGJan 31 · first
Vermont State AGJan 31 · first
Montana State AGJan 31 · first
Maine State AGJan 31 · first
Nebraska State AGJan 31 · first
Indiana State AGJan 31 · first
Leak Site+237d · this page

Pattern: first filing Jan 31 (MA), last Sep 25 — a 237-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 2022-10-08

qilin

According to ransomware.live, Qilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data.

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