Where does the Prosper Marketplace, Inc. case file come from?

Every entry is taken from the breach report Prosper Marketplace, Inc. lodged with the California 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: Prosper Marketplace, Inc. Data Breach

This file collects the dated facts on record for the Prosper Marketplace, Inc. incident. The state report is dated December 9, 2025. The incident itself is dated April 29, 2025.

Timeline

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

April 29, 2025Incident dateWhen the filing says the breach took place.
December 9, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: December 9, 2025
Incident date: April 29, 2025
Receiving office: California Attorney General

Case notes

Prosper Marketplace, Inc., a financial technology company, has filed a report regarding a data exposure incident. The breach reportedly took place on April 29, 2025, and the company formally reported the event on December 9, 2025. An investigation into the incident is currently underway to determine its full impact.

The specific categories of personal information involved in this incident are not detailed in the public filing. Similarly, the number of individuals affected by this data exposure has not been specified.

Details surrounding the nature of the breach type itself also remain unspecified in the public record. This information is derived from official filings made with regulators, reflecting the details available at the time of reporting.

Individuals who may be affected by this incident are encouraged to review statements from their financial institutions and other accounts for any unauthorized activity. Implementing strong, unique passwords for online services and enabling multi-factor authentication where available are widely recommended security practices.

While the investigation proceeds, staying informed about any further updates from Prosper Marketplace, Inc. or regulatory bodies is advisable. This proactive approach can help you respond appropriately as more information becomes available.

Questions about this case file

Where does the Prosper Marketplace, Inc. case file come from?: Every entry is taken from the breach report Prosper Marketplace, Inc. lodged with the California 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.

California data breaches

Filing source: California Attorney General

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Timeline

Case facts

Case notes

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