HackingIdentity (basic)Government IDMediumContained

Sprague & Jackson

bd_7e07aad731fd91e9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 22, 2025

Filed

May 26, 2026

To disclose

—

Affected

2state residents only

Confidence

67%

Full breach record for Sprague & Jackson →2 incidents on file

Sprague & Jackson, a tax and payroll processor, notified the Nebraska AG of a data security incident discovered on September 22, 2025. Unauthorized activity on its network potentially exposed the names, addresses, and SSNs/ITINs of 2 Nebraska residents. Notices were sent on May 21, 2026, offering 12 months of credit monitoring via TransUnion/Cyberscout. The company engaged forensic specialists and implemented enhanced security controls.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

Sep 22, 2025

Discovered

May 26, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

A leak claim by qilin about this victim predates this filing by 223 days.View originating leak claim

Name: Sprague & Jackson
norm: sprague jackson
Domain: sprjac.com

Name: Sprague & Jackson
norm: sprague jackson
Domain: sprjac.com

Discovered: Sep 22, 2025
Materiality determined: —
Notification sent: May 21, 2026
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Implemented additional security measures to help secure its systems and prevent future unauthorized access
Engaged a third-party forensic firm to assist
Offering identity theft protection services through TransUnion
Changes made: Changing user passwords
Deploying endpoint monitoring and detection tools throughout its IT environment
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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://nebraska.gov/ago/data-breach/documents/357b2045-9155-4101-8f0d-cb39eea54b20.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 26, 2026
Raw hash: 3d007dfab0e937526279dc964fb3f76451784621412bf40a16fbc4737d59c545

Reporting entitySprague & Jackson

Victim entitySprague & Jackson

Incidentdiscovered Sep 22, 2025

Stated responseImplemented additional security measures to help secure its systems and prevent future unauthorized access

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov