DisclosureLens
GLOBALMalwareFinancial ServicesFinanceRansomwareCephalusRansom DemandedActor NamedMedium

LPL FINANCIAL LLC

bd_a7104fdbf8649143 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 26, 2025

To disclose

—

Affected

Not disclosed

Linked

2 filings

Confidence

50%
Full breach record for LPL FINANCIAL LLC →37 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Cephalus 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: Financial ServicesDiscovered: 2025-08-26
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

LPL Financial DATA LEAK | (I FORGOT THE SIZE,BUT ITS HUGE)

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 26, 2025

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 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
Leak SiteAug 26 · first · this page
Nebraska State AG+121d

Pattern: first filing Aug 26, last Dec 26 (NE) — a 121-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 2025-06-28

cephalus

According to ransomware.live, Cephalus is a ransomware group active from mid-2025 that leverages stolen RDP credentials to deploy a Go-based ransomware payload via DLL sideloading, targeting law firms, healthcare, financial services, and IT firms across the US and Japan with 19 known victims.

19 victims claimed globally19 tracked hereFull profile →