DisclosureLens
GLOBALMalwareTechnologyInformationRansomwareEmbargoRansom DemandedActor NamedMedium

NCH CORPORATION

bd_1baf0331620d3d06 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Mar 9, 2026

To disclose

Affected

Not disclosed

Linked

18 filings

Confidence

50%
Full breach record for NCH CORPORATION4 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Embargo 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: TechnologyDiscovered: 2026-03-09

Source: Ransomware.live

Post text · scraped from the leak site

Your leading global experts in industrial solutions. At NCH Corporation, we don’t just sell products—we deliver solutions that keep businesses moving. For ov... - More than 7.3TB of data has been downloaded.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 9, 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 18 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filingsup to 95d gap

Showing first 10 of 17 linked disclosures.

Filing propagation · 11 filings · 7 states

View merged incident ↗

Pattern: first filing Dec 5 (MA), last May 5 (TX) — a 151-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 17 — the full spread may be wider.

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 2024-04-17

embargo

According to ransomware.live, Embargo is a Rust-based ransomware-as-a-service group that emerged in April 2024, primarily targeting US healthcare, manufacturing, and business services organizations using double extortion, assessed as a potential successor to BlackCat/ALPHV with over $34 million in ransom proceeds.

47 tracked hereFull profile →