Social EngineeringProfessional ServicesProfessional ServicesPhishingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Walker Advertising, LLC

bd_ea52f2c3d3e53ecb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 1, 2025

Filed

Jun 5, 2026

To disclose

—

Affected

1state residents only

Linked

5 filings

Confidence

66%

Full breach record for Walker Advertising, LLC →2 incidents on file

Walker Advertising, LLC notified Nebraska regulators that an unauthorized actor accessed an employee email account between October 14 and December 1, 2025. The incident involved the name and Social Security number of one Nebraska resident. Walker engaged third-party specialists, offered 12 months of credit monitoring via Epiq, and provided notice on June 5, 2026.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 48 days

Oct 14, 2025

Begins

Dec 1, 2025

Discovered

Jun 5, 2026

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_17b19e19edcc277a2026-06-05Verified
Massachusetts State AGbd_55e71ec2600ec2802026-06-05Candidate
New Hampshire State AGbd_580a39ef0d72c9a02026-06-05Verified
Maine State AGbd_eff6b68d708537712026-06-05Verified

Name: Walker Advertising, LLC
norm: walker advertising
Domain: walkeradvertising.com

Name: Walker Advertising, LLC
norm: walker advertising
Domain: walkeradvertising.com
Industry: Professional Servicesllm

Discovered: Dec 1, 2025
Breach occurred: Oct 14, 2025 – Dec 1, 2025
Undetected for: 48 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 5, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: providing written notice of this incident to relevant state regulators
Initial access: phishing_link

During the incident: Launched an investigation with the assistance of third-party technology specialists
Completed a comprehensive review of the potentially impacted email files
Provided written notice of this incident to one (1) Nebraska resident
Providing access to credit monitoring services for twelve (12) months, through Epiq
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Working to implement additional safeguards and training to its employees
Reviewing our policies and procedures related to cybersecurity and are implementing additional 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 · 5 filings · 5 states

View merged incident ↗

Indiana State AGJun 5 · first

Massachusetts State AGJun 5 · first

New Hampshire State AGJun 5 · first

Maine State AGJun 5 · first

Nebraska State AGJun 5 · 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/7e6f3e09-ae52-4393-8028-7b0658819f45.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 5, 2026
Raw hash: 8cfe8ae7650e540402ae5ceeddee862f5a5f5780d4d58617716778b9bc5c0b51

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityWalker Advertising, LLC

Victim entityWalker Advertising, LLC

Incidentdiscovered Dec 1, 2025

Stated responseLaunched an investigation with the assistance of third-party technology specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov