HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedData ExfiltratedGovernment IDIdentity (basic)Financial accountFinancialMediumContained

LPL FINANCIAL LLC

bd_50c58e09c971c97c · schema v1 · pii pii-v2

Severity

Medium

Discovered

May 29, 2026

Filed

Oct 1, 2026

To disclose

—

Affected

1state residents only

Confidence

68%

Full breach record for LPL FINANCIAL LLC →40 incidents on file

LPL Financial LLC notified clients of a security incident where unauthorized remote access software was found on an advisor's device, potentially exposing client PII including SSNs and financial data. The incident occurred between May 19 and May 29, 2026. LPL contained the incident by disabling access and rotating credentials. Clients are offered 24 months of credit monitoring.

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Incident timeline

undetected · 10 days

May 19, 2026

Begins

May 29, 2026

Discovered

Oct 1, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: LPL FINANCIAL LLC
norm: lpl financial
Domain: lplfinancial.com

Name: LPL FINANCIAL LLC
norm: lpl financial
Domain: lplfinancial.com
Industry: Financial Servicesllm

Discovered: May 29, 2026
Breach occurred: May 19, 2026
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 22, 2026
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)Financial accountFinancial
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External

During the incident: Commenced an internal investigation and reviewed relevant account activity
Rotated credentials
Implemented additional containment measures
Disabled the advisor’s LPL portal access and LPL email account
Working with law enforcement regarding the investigation
Changes made: Offering a complimentary 24-month membership for credit monitoring and identity theft protection services through Experian
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/2026-1839-lpl-financial-llc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 1, 2026
Raw hash: 39be5652cdd682a27ac5ee60bf5e48cff8272ded16b629138f97d2521928ec75

Reporting entityLPL FINANCIAL LLC

Victim entityLPL FINANCIAL LLC

Incidentdiscovered May 29, 2026

Stated responseCommenced an internal investigation and reviewed relevant account activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov