HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Washington Prime Group Inc

bd_3375e4734131964a · schema v1 · pii pii-v2

Severity

Medium

Discovered

Aug 11, 2025

Filed

Dec 23, 2025

To disclose

—

Affected

39state residents only

Linked

8 filings

Confidence

66%

Full breach record for Washington Prime Group Inc →

Washington Prime Group Holdings L.P. disclosed a cybersecurity event to Nebraska regulators on December 23, 2025. Unauthorized access occurred between July 30 and August 9, 2025. The breach affected 39 Nebraska residents, exposing names, Social Security numbers, and financial account information. WPG notified law enforcement, provided 12 months of credit monitoring via Experian, and implemented additional safeguards.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d

Incident timeline

undetected · 12 days

Jul 30, 2025

Begins

Aug 11, 2025

Discovered

Dec 23, 2025

Filed

This filing is one of 8 about the same incident.View merged incident

A leak claim by worldleaks about this victim predates this filing by 137 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteworldleaksbd_6bf836bc68e91f422025-08-08 · +137dVerified by operator

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_3acc7768b2bd05ad2025-12-23Verified
Montana State AGbd_5df67242b2b72def2025-12-23Verified
New Hampshire State AGbd_69425c809df43c472025-12-23Verified
Vermont State AGbd_ab43fabd68b119732025-12-23Verified

Show 2 more filings ↓up to 76d gap

Massachusetts State AGbd_bab7925931c012812025-12-23Verified by operator
Texas State AGbd_f75aec4f7716b5a62026-03-09 · +76dVerified

Name: Washington Prime Group Inc
norm: washington prime
Domain: wpgus.com

Name: Washington Prime Group Inc
norm: washington prime
Domain: wpgus.com
Industry: Professional Servicesllm

Discovered: Aug 11, 2025
Breach occurred: Jul 30, 2025 – Aug 9, 2025
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 23, 2025
Affected individuals: 39state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators, as necessary
Initial access: exploit_public_facing

During the incident: Notified federal law enforcement regarding the event
Providing complimentary access to credit monitoring services for twelve (12) months, through Experian, to individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
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.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Indiana State AGDec 23 · first

Montana State AGDec 23 · first

New Hampshire State AGDec 23 · first

Vermont State AGDec 23 · first

Massachusetts State AGDec 23 · first

Nebraska State AGDec 23 · first · this page

Texas State AG+76d

Pattern: first filing Dec 23 (IN), last Mar 9 (TX) — a 76-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/2d9a7e3a-a584-4056-a37e-09e64072e9f2.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 23, 2025
Raw hash: 2981f63590c4cf9c17b1131b9dd9d7daacdef076fbb11d3693d06e04c002e687

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityWashington Prime Group Inc

Victim entityWashington Prime Group Inc

Incidentdiscovered Aug 11, 2025

Stated responseNotified federal law enforcement regarding the event

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov