Prosper Marketplace, Inc. data breach

Clerk's notes

Prosper Marketplace, Inc., based in California, has reported a data security incident. The company stated that the breach occurred on April 29, 2025. Following the discovery, Prosper Marketplace filed a notification regarding the incident on December 9, 2025.

The nature of the breach remains unspecified in the available record. However, the company has indicated that personal information entrusted to them was involved. The investigation into the incident is currently ongoing, as noted in the official filing.

For individuals who have received a data breach notification from Prosper Marketplace, it is important to carefully read the letter. This document should provide specific details about the incident and any protective measures the company is offering.

While the exact categories of data involved are not specified, it is generally prudent to remain vigilant after any data exposure. Consider monitoring financial accounts and reviewing credit reports for any suspicious activity. You may also want to change passwords for online accounts that reuse credentials.

Understanding the potential impact of a data breach is a critical step for affected individuals. If your personal information was exposed in this incident, you may wish to seek further information regarding your rights and potential recourse.

If a notification letter about this breach reached you, see every CA data breach on file or browse all cases.