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GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareSilentransomgroupRansom DemandedActor NamedMedium

SHEPPARD, MULLIN, RICHTER & HAMPTON LLP

bd_027752b5e2afb7b7 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Oct 5, 2026

To disclose

—

Affected

Not disclosed

Linked

6 records

Confidence

50%
Full breach record for SHEPPARD, MULLIN, RICHTER & HAMPTON LLP →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Silentransomgroup 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: Professional ServicesDiscovered: 2026-10-05
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

They offered $4.900.000 to keep the data from being published.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 5, 2026

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 6 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 4d gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Massachusetts State AGOct 1 · first
California State AG+1d
Vermont State AG+1d
Oregon State AG+1d
Texas State AG+5d

Pattern: first filing Oct 1 (MA), last Oct 6 (TX) — a 5-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 2022-06-07

silentransomgroup

According to ransomware.live, a former Conti team

204 tracked hereFull profile →