Where does the Washington Prime Group Holdings L.P. case file come from?

Every entry is taken from the breach report Washington Prime Group Holdings L.P. lodged with the Montana Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Washington Prime Group Holdings L.P. Data Breach

This file collects the dated facts on record for the Washington Prime Group Holdings L.P. incident. The state report is dated December 23, 2025. The incident itself is dated July 30, 2025.

Timeline

146 days separate the incident date from the date it was reported.

July 30, 2025Incident dateWhen the filing says the breach took place.
December 23, 2025Report filed in MontanaDate the notice was lodged with the Montana Attorney General.

Case facts

Filing state: Montana
Date reported: December 23, 2025
Incident date: July 30, 2025
Receiving office: Montana Attorney General

Case notes

Washington Prime Group Holdings L.P. has formally reported a data breach incident to regulators in Montana. The company filed its official notification on December 23, 2025, acknowledging an event that exposed personal information.

The incident, which led to unauthorized access or compromise of data, was first identified on or about July 30, 2025. While the specific method or type of breach has not been detailed in public records, Washington Prime Group Holdings L.P. has confirmed the involvement of personal information.

Publicly available filings do not specify the exact categories of personal information that were affected, nor do they provide a precise number of individuals impacted by this incident. The investigation into the full scope and nature of the breach is noted as ongoing.

Individuals who receive a direct notification letter from Washington Prime Group Holdings L.P. are encouraged to review the document carefully. This letter should contain specific details relevant to their situation and any recommended actions.

As a general precaution following any data security event, it is advisable for affected individuals to remain vigilant. Monitoring personal accounts for unusual activity and regularly checking credit reports for unauthorized inquiries or transactions can help detect potential misuse of exposed data. Be cautious of unsolicited communications, especially those requesting personal details.

All details regarding this data breach are based on the official filings submitted to the Montana Attorney General's office, as required by state data breach notification laws.

Questions about this case file

Where does the Washington Prime Group Holdings L.P. case file come from?: Every entry is taken from the breach report Washington Prime Group Holdings L.P. lodged with the Montana Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Montana data breaches

Filing source: Montana Attorney General

Named in the Washington Prime Group Holdings L.P. breach?

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Timeline

Case facts

Case notes

Questions about this case file

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