DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareBlacklockRansom DemandedActor NamedMedium

TBM Consulting Group, Inc.

bd_00d64e9dc05ea29b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Nov 18, 2024

To disclose

Affected

Not disclosed

Linked

8 filings

Confidence

50%
Full breach record for TBM Consulting Group, Inc.

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Blacklock 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: 2025-05-16

Source: Ransomware.live

Post text · scraped from the leak site

TBM Consulting Group, Inc. is a global consulting firm that helps companies improve operational efficiency and speed, while reducing costs. They specialize in Lean Six Sigma methodologies, supply chain services, operational excellence, and maintenance best practices. Their services span various industries including manufacturing, healthcare, and service industries.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Nov 18, 2024

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 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Show 1 more filingup to 328d gap

Filing propagation · 6 filings · 5 states

View merged incident ↗

Pattern: first filing Dec 27 (IN), last Nov 18 — a 328-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 2023-11-27

blacklock

According to ransomware.live, BlackLock is a rebranded version of another ransomware group known as Eldorado. It has since become one of the most active extortion syndicates in 2025, heavily targeting technology, manufacturing, construction, finance, and retail sectors.

64 victims claimed globally64 tracked hereFull profile →