HackingRetail & ConsumerRetailData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumActive

Washington Prime Group Inc

bd_69425c809df43c47 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 11, 2025

Filed

Dec 23, 2025

To disclose

19 weeks

Affected

2state residents only

Linked

8 filings

Confidence

66%

Full breach record for Washington Prime Group Inc →

Washington Prime Group Holdings L.P. notified the New Hampshire Attorney General on December 23, 2025, of a cybersecurity event affecting two New Hampshire residents. Unauthorized access occurred between July 30 and August 9, 2025. The incident involved the potential viewing or taking of names and Social Security Numbers. WPG notified federal law enforcement, provided credit monitoring via Experian, and issued notices to affected individuals and credit bureaus. The investigation is ongoing.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d19 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 12 days

discovery → filing · 19 weeks / 134 days

Jul 30, 2025

Begins

Aug 11, 2025

Discovered

Dec 23, 2025

Filed

vs. sector median

+12 wks slower

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

Nebraska State AGbd_3375e4734131964a2025-12-23Verified by operator
Indiana State AGbd_3acc7768b2bd05ad2025-12-23Verified
Montana State AGbd_5df67242b2b72def2025-12-23Verified
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: Mullen Coughlin LLC
norm: mullen coughlin

Name: Washington Prime Group Inc
norm: washington prime
Domain: wpgus.com
Industry: Retail & Consumerllm

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: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcement regarding the eventProviding written notice of this incident to relevant state regulators
Initial access: exploit_public_facing

During the incident: Initiated an investigation into the nature and scope of the incident
Notified federal law enforcement regarding the event
Working to implement additional safeguards
Providing complimentary access to credit monitoring services for twelve (12) months, through Experian
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
Providing written notice of this incident to the three major credit reporting agencies
Changes made: Working to implement additional safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(134 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Nebraska State AGDec 23 · first

Indiana State AGDec 23 · first

Montana State AGDec 23 · first

Vermont State AGDec 23 · first

Massachusetts State AGDec 23 · first

New Hampshire State AGDec 23 · first · this page

Texas State AG+76d

Pattern: first filing Dec 23 (NE), 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://mm.nh.gov/files/uploads/doj/remote-docs/washington-prime-group-holdings-20251223.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: 9366451c8c62f6f071d2ee21559123452e009687e80f1487b28e55601c2d9e46

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityWashington Prime Group Inc

Incidentdiscovered Aug 11, 2025

Stated responseInitiated an investigation into the nature and scope of the incident

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov