DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareChaosRansom DemandedActor NamedData ExfiltratedHigh

Nelson Worldwide LLC

bd_6df9629640865473 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Mar 6, 2026

To disclose

Affected

Not disclosed

Linked

4 filings

Confidence

50%
Full breach record for Nelson Worldwide LLC

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Chaos 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 ServicesClaimed data size: 400 GBDiscovered: 2026-03-06

Source: Ransomware.live

Post text · scraped from the leak site

NELSON Worldwide is an award-winning firm delivering architecture, interior design, graphic design, and brand strategy services that transform all dimensions of the human experience, providing our clients with strategic and creative solutions that positively impact their lives and the environments w...

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 6, 2026

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 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 3 states

View merged incident ↗
Leak SiteMar 6 · first · this page

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 2025-02-19

chaos

According to ransomware.live, Chaos is a ransomware-as-a-service operation that emerged in early 2025, likely formed by former BlackSuit/Royal members, offering cross-platform ransomware for Windows, Linux, ESXi, and NAS to affiliates recruited on the RAMP dark web forum, excluding CIS/BRICS countries and hospitals from targeting.

92 tracked hereFull profile →