HackingRetail & ConsumerRetailCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

American Driveline Systems, Inc.

bd_a7492fcfe449a713 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Apr 16, 2025

Filed

Jun 20, 2025

To disclose

—

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for American Driveline Systems, Inc. →

American Driveline Systems (dba AAMCO Transmissions) detected unauthorized access to server files between April 11 and 16, 2025. The incident affected one Nebraska resident, exposing names and Social Security/driver’s license numbers. The company engaged a cybersecurity firm, contained the breach, notified the resident on June 20, 2025, and offered one year of credit monitoring via Kroll.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 5 days

Apr 11, 2025

Begins

Apr 16, 2025

Discovered

Jun 20, 2025

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_664c20938e48d05c2025-06-20Verified
Indiana State AGbd_e042ed0e7d3d67772025-06-20Verified

Name: American Driveline Systems, Inc.
norm: american driveline

Name: American Driveline Systems, Inc.
norm: american driveline
Industry: Retail & Consumerllm

Discovered: Apr 16, 2025
Breach occurred: Apr 11, 2025 – Apr 16, 2025
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 20, 2025
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Implemented its response protocols
Took measures to contain the activity
Launched an investigation
Engaged a cybersecurity firm
Determined that the files included the name and Social Security number and/or driver’s license number
Mailing a notification letter via First-Class mail
Offering a complimentary, one-year membership to credit monitoring and identity protection services through Kroll
Established a dedicated, toll-free call center
Changes made: Taken steps to enhance its existing security measures
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.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGJun 20 · first

Indiana State AGJun 20 · first

Nebraska State AGJun 20 · first · this page

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://nebraska.gov/ago/data-breach/documents/0c753506-7616-4568-96cf-2b94fd2eb901.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 20, 2025
Raw hash: 9d060d916a9ce3177a06dd24babf8b422fa37ce866a5abeabe0ab53614c2de9f

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityAmerican Driveline Systems, Inc.

Victim entityAmerican Driveline Systems, Inc.

Incidentdiscovered Apr 16, 2025

Stated responseImplemented its response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov