DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareSilentransomgroupRansom DemandedActor NamedMedium

Jackson Lewis

bd_b2fd11fc61be9556 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 22, 2026

To disclose

—

Affected

Not disclosed

Confidence

50%
Full breach record for Jackson Lewis →3 incidents on file

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: Business ServicesDiscovered: 2026-04-22
View aggregator listing on ransomware.live

Source: Ransomware.live

Post text · scraped from the leak site

Jackson Lewis P.C. is a United States-based law firm specializing exclusively in workplace law and employment-related legal services. Founded in 1958 and headquartered in New York, the firm operates across numerous offices throughout the country. It advises employers on labor relations, workplace safety, litigation, immigration, and employee benefits, serving clients across a wide range of industries nationwide.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Apr 22, 2026

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 2022-06-07

silentransomgroup

According to ransomware.live, a former Conti team

165 tracked hereFull profile →