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GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareBlackbyteRansom DemandedActor NamedMedium

Lee & Associates

bd_19c4eb04a35ec9f6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Jul 30, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Lee & Associates2 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Blackbyte 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: Business ServicesDiscovered: 2025-07-30

Source: Ransomware.live

Post text · scraped from the leak site

In 1979, Bill Lees vision became reality when he opened the first office of Lee & Associates in Orange County, California. Every Lee office is owned and operated by the real estate professionals, all of whom benefit from the sharing of real-time market intelligence that is vital to the delivery of superior commercial real estate services. The unique service platform has attracted some of the most experienced and talented real estate professionals in the industry, all of whom share Bills original vision of superior service through teamwork. Our offices offer a broad array of real estate services tailored to meet the needs of the companys clients in each of the markets it serves. They include commercial real estate brokerage, property management, valuation, asset management and finance. Now the largest firm of its kind in North America, the companys reach extends across the United States and Canada.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jul 30, 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 2021-10-04

blackbyte

According to ransomware.live, Ransomware. Uses dropper written in JavaScript to deploy a .NET payload.

147 victims claimed globally147 tracked hereFull profile →