HackingFinancial ServicesFinanceStolen CredentialsTargetedIdentity (basic)MediumContained

Southeast Series of Lockton Companies, LLC (Lockton)

bd_9085e77425a5f07d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 20, 2024

Filed

Mar 20, 2025

To disclose

17 weeks

Affected

2,528state residents only

Linked

24 filings

Confidence

66%

Full breach record for Southeast Series of Lockton Companies, LLC (Lockton) →3 incidents on file

Lockton experienced a cybersecurity incident on November 20, 2024, where an unauthorized party accessed a single individual account and computer. The incident involved the theft of personal information including name and other data elements. Lockton engaged third-party experts and notified law enforcement. Affected individuals were offered 24 months of Experian IdentityWorks.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 17 weeks / 120 days

Nov 20, 2024

Begins

Nov 20, 2024

Discovered

Mar 20, 2025

Filed

vs. sector median

+9 wks slower

This filing is one of 24 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Rhode Island State AGbd_4475760419a1b5882025-04-03 · +14dVerified by operator
New Hampshire State AGbd_ab1f596c26daaa252025-04-08 · +19dVerified
California State AGbd_e0c26fe7d81dd2862025-04-08 · +19dVerified by operator
California State AGbd_2606bdefd74e0bcc2025-05-23 · +64dVerified

Show 6 more filings ↓up to 103d gap

Delaware State AGbd_d8aed05bb7d559f42025-05-23 · +64dVerified by operator
New Hampshire State AGbd_e6327a5b12a7f2242025-05-23 · +64dVerified
California State AGbd_126301bea6b93bb42025-06-27 · +99dVerified by operator
New Hampshire State AGbd_6698308b150da8c42025-06-27 · +99dVerified
Delaware State AGbd_702f871b1717294b2025-06-27 · +99dVerified by operator
Texas State AGbd_9b8e991fbe3612722025-07-01 · +103dVerified by operator

Showing first 10 of 23 linked disclosures.

Name: Southeast Series of Lockton Companies, LLC (Lockton)
norm: southeast series of lockton companies llc lockton

Name: Southeast Series of Lockton Companies, LLC (Lockton)
norm: southeast series of lockton companies llc lockton
Industry: Financial Servicesllm

Discovered: Nov 20, 2024
Breach occurred: Nov 20, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 20, 2025
Affected individuals: 2,528state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Began an investigation
Engaged third-party cybersecurity experts
Notified law enforcement
Changes made: Implemented numerous measures designed to enhance the security of our systems and data
Offering you a complimentary, 24-month membership of Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(120 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Montana State AGMar 20 · first · this page

Rhode Island State AG+14d

New Hampshire State AG+19d

California State AG+19d

California State AG+64d

Delaware State AG+64d

New Hampshire State AG+64d

California State AG+99d

New Hampshire State AG+99d

Delaware State AG+99d

Texas State AG+103d

Pattern: first filing Mar 20 (MT), last Jul 1 (TX) — a 103-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 23 — the full spread may be wider.

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://dojmt.gov/wp-content/uploads/2025/03/Consumer-notification-letter-253.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 20, 2025
Raw hash: 73a690fc94d4ac648f49dc8a005232b12919f1e2363a873a65228f9d30ce15cc

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entitySoutheast Series of Lockton Companies, LLC (Lockton)

Victim entitySoutheast Series of Lockton Companies, LLC (Lockton)

Incidentdiscovered Nov 20, 2024

Stated responseBegan an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov