HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

The John Buck Company

bd_60cbc97f0ce916e1 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Nov 7, 2025

Filed

Dec 22, 2025

To disclose

—

Affected

2state residents only

Linked

2 filings

Confidence

66%

Full breach record for The John Buck Company →2 incidents on file

The John Buck Company experienced unauthorized access to its systems between January 10, 2025, and June 10, 2025. The company discovered on November 7, 2025, that files containing the name, Social Security number, and driver’s license number of two Nebraska residents were accessed. Notification letters were mailed on December 22, 2025, offering one year of credit monitoring services.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 301 days

Jan 10, 2025

Begins

Nov 7, 2025

Discovered

Dec 22, 2025

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_606c83ac7349da7a2025-12-22Candidate

Name: The John Buck Company
norm: the john buck

Name: The John Buck Company
norm: the john buck
Industry: Professional Servicesllm

Discovered: Nov 7, 2025
Breach occurred: Jan 10, 2025 – Jun 10, 2025
Undetected for: 301 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 22, 2025
Affected individuals: 2state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure the network
Began an investigation
Mailed notification letters via United States Postal Service First-Class mail to the Nebraska residents
Offering one year of complimentary credit monitoring, fraud consultation, and identity theft restoration services through Cyberscout
Established a dedicated, toll-free call center for individuals to call with questions
Changes made: Taken additional steps to enhance already 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 · 2 filings · 2 states

View merged incident ↗

Indiana State AGDec 22 · first

Nebraska State AGDec 22 · 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/035079c3-eafb-4693-85f5-ebb133936511.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2025
Raw hash: 3a9b0edac144a0b25a83afbb409bedef904f96dc41b651cd09b2048ed574944c

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityThe John Buck Company

Victim entityThe John Buck Company

Incidentdiscovered Nov 7, 2025

Stated responseTook steps to secure the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov