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Investigation OpenCA AG filing · December 9, 2025

Prosper Marketplace Data Breach: What Victims Need to Know Now

Prosper Marketplace, Inc. has reported a data incident where personal information was exposed. If you received a notification letter, your sensitive data may be at risk. This event requires immediate attention to protect yourself from potential harm and understand your legal options.

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This breach is real, not a scam. Prosper Marketplace, Inc. officially reported it to the CA Attorney General on December 9, 2025.

Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278

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

Prosper Marketplace, Inc., a California-based financial technology company, recently confirmed a data breach affecting its systems. The incident, which occurred on April 29, 2025, involved the exposure of personal information belonging to individuals.

While the specific nature of the compromised data has not been detailed, the exposure of your personal information can lead to significant risks. This could include threats like identity theft, financial fraud, and other malicious activities that exploit your private details.

Prosper Marketplace filed notice of this incident on December 9, 2025, and is currently investigating the scope and impact. As the company works to understand what happened, it's crucial for you, as a potentially affected individual, to take proactive steps to safeguard your identity and financial well-being.

If you received an official data breach notification letter from Prosper Marketplace, it is important to review it carefully. Consider placing fraud alerts on your credit files, regularly monitoring your financial accounts for suspicious activity, and being extremely cautious about unsolicited communications that ask for personal details.

Understanding your legal rights after a data breach can be complex. Our team offers free, no-obligation case reviews to help you determine if you have a claim and how to best proceed. We are here to answer your questions and guide you through the process, advocating on your behalf.

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.

Prosper Marketplace, Inc. data breach lawyer, lawsuit and letter questions

Do I need a Prosper Marketplace, Inc. data breach lawyer or attorney?
You don't need to pay to find out. Our data breach attorneys review notices like this one for free, and data breach cases are usually handled on contingency — no fee unless money is recovered for you.
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.
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.
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.
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.

Source: CA Attorney General filing

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