DataBreachInformation.com
Investigation OpenCA AG filing · December 9, 2025

Prosper Marketplace Reports Data Breach to California Regulators

Prosper Marketplace, Inc. has filed a data breach report with California authorities. The filing indicates that an incident occurred on April 29, 2025, which may have exposed personal information. Individuals who received notification should review the steps recommended for protecting their data.

State
CA
Breach date
April 29, 2025
Reported
December 9, 2025

Prosper Marketplace, Inc., a company operating in California, has submitted an official data breach notification to state authorities. This filing reports a security incident that occurred on April 29, 2025. The company officially reported this event on December 9, 2025, according to public records.

The precise nature of the breach type was not detailed in the public filing. However, the company indicated that an unauthorized event led to potential exposure of personal information. The incident is currently under investigation, as noted in the official report.

While specific categories of data involved were not listed, affected individuals should understand that their personal information may have been compromised. Companies typically send direct notifications to those whose data was affected. Reviewing any such notice for specific details provided by Prosper Marketplace is an important first step.

It is generally advisable for individuals who receive breach notifications to remain vigilant. Monitor financial account statements and credit reports for any suspicious activity. Consider placing a fraud alert or credit freeze with credit bureaus as a proactive measure against potential misuse of personal information.

Protecting personal data online requires ongoing attention. Regularly update passwords for online accounts and use strong, unique combinations. Be cautious of unsolicited communications that request personal details, as these could be phishing attempts.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the Prosper Marketplace, Inc. data breach

Where can I see the official Prosper Marketplace, Inc. breach notice?
Prosper Marketplace, Inc.'s report is published by the CA Attorney General: https://oag.ca.gov/privacy/databreach/list#prosper-marketplace-inc--2025-12-09 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Prosper Marketplace, Inc. data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the Prosper Marketplace, Inc. data breach letter legit or a scam?
A notice from Prosper Marketplace, Inc. in the mail matches the breach Prosper Marketplace, Inc. reported to the CA Attorney General on December 9, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Prosper Marketplace, Inc. through a phone number or website you find yourself.
Did Prosper Marketplace, Inc. offer free credit monitoring?
Check your letter from Prosper Marketplace, Inc.. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Signing up doesn't waive any legal rights you may have.
Can I sue Prosper Marketplace, Inc. over the data breach?
It depends on what was exposed, the law in CA and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a Prosper Marketplace, Inc. data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Prosper Marketplace, Inc.. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a Prosper Marketplace, Inc. data breach settlement or claim be worth?
There is no set amount, and no Prosper Marketplace, Inc. settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Do I need a Prosper Marketplace, Inc. data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: CA Attorney General filing

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