HackingFinancial ServicesFinanceCustomer Data InvolvedPIIIdentity (basic)LowContained

SunSource Borrower, LLC

bd_b14fa02f719f723b · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 5, 2026

Filed

Jun 16, 2026

To disclose

—

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for SunSource Borrower, LLC →

SunSource Borrower, LLC notified Nebraska residents of a data breach where an unauthorized third party accessed a portion of its network between March 31 and April 5, 2026. Personal information, including names, was accessed. SunSource hired forensic experts, confirmed network security, and offered one year of complimentary identity monitoring services.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 5 days

Mar 31, 2026

Begins

Apr 5, 2026

Discovered

Jun 16, 2026

Filed

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_3579acec59f4d35e2026-06-17 · +1dCandidate

Name: SunSource Borrower, LLC
norm: sunsource borrower

Name: SunSource Borrower, LLC
norm: sunsource borrower
Industry: Financial Servicesllm

Discovered: Apr 5, 2026
Breach occurred: Mar 31, 2026 – Apr 5, 2026
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 4, 2026
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Hired an outside third-party forensic expert to investigate the issue and confirm the security of our network
Arranged for you to enroll in a complimentary one-year membership of identity monitoring services
Changes made: Reviewing our technical and security safeguards
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 ↗

Nebraska State AGJun 16 · first · this page

Massachusetts State AG+1d

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/ea1372da-8be6-4a76-a437-eaac6683a9b3.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 16, 2026
Raw hash: 6659dba3bc88fd188aa2c6cd6feff36442713db9d12ee5d95f75b3e0c64066e6

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entitySunSource Borrower, LLC

Victim entitySunSource Borrower, LLC

Incidentdiscovered Apr 5, 2026

Stated responseHired an outside third-party forensic expert to investigate the issue and confirm the security of our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov