Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedIdentity (basic)PIILowContained

LADENBURG THALMANN & CO. INC.

bd_be40c3283522de44 · schema v1 · pii pii-v2

Severity

Low

Discovered

—

Filed

Sep 1, 2026

To disclose

—

Affected

63state residents only

Confidence

66%

Full breach record for LADENBURG THALMANN & CO. INC. →2 incidents on file

Ladenburg Thalmann & Co. Inc. experienced an email phishing incident involving customer personal information. The firm is offering two years of complimentary identity monitoring through Kroll and is implementing additional security safeguards and employee training to prevent recurrence.

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Incident timeline — partial

? — ?

Breach window unknown

Sep 1, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed63 affectedView incident

Name: LADENBURG THALMANN & CO. INC.
norm: ladenburg thalmann

Name: LADENBURG THALMANN & CO. INC.
norm: ladenburg thalmann
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 63state-resident count only
Data types: Identity (basic)PII
Attack vector: Phishing
MITRE ATT&CK: T1566 Phishing
Threat actor: External
Initial access: phishing_link

During the incident: Offering a complimentary 2-year membership to Kroll Identity Monitoring
Changes made: Reminding employees to be on the look out for suspicious emails
Implementing additional safeguards and security
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/2026-1617-ladenburg-thalmann-co-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2026
Raw hash: cf70fbcbf142429ffd1a38091b918caff3fd885a10bb422d474119a9e9bd81c1

Reporting entityLADENBURG THALMANN & CO. INC.

Victim entityLADENBURG THALMANN & CO. INC.

IncidentPhishing

Stated responseOffering a complimentary 2-year membership to Kroll Identity Monitoring

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov