UnknownGovernment IDFinancial accountMedium

Washington Prime Group Inc

bd_bab7925931c01281 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 23, 2025

To disclose

—

Affected

6state residents only

Linked

8 filings

Confidence

95%

Full breach record for Washington Prime Group Inc →

Washington Prime Group Holdings L.P. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-12-23. 6 Massachusetts residents were affected.

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Leak gap clock⏱ Leak >90d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Dec 23, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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
New Hampshire State AGbd_69425c809df43c472025-12-23Verified

Show 2 more filings ↓up to 76d gap

Vermont State AGbd_ab43fabd68b119732025-12-23Verified
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

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: Government IDFinancial account
Data elements: Social Security numberFinancial account number
Stated not affected: Medical informationDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown
Threat actor: External

Compliance flags: Leak >90dMA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

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

New Hampshire State AGDec 23 · first

Vermont State AGDec 23 · first

Massachusetts 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://www.mass.gov/doc/data-breach-report-2025/download
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: 88f896ad1e1320f77ff0f90eabecf3924678c4f709aa852f915caf141059e835

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityWashington Prime Group Inc

Victim entityWashington Prime Group Inc

IncidentUnknown

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov