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Prosper Marketplace Customer Data Breach

-Notice of Arbitration for Compensation.

-Filed by Harrer Law, P.C., a consumer data privacy litigation law firm.

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What Happened?

On September 17, 2025, Prosper Marketplace announced that it experienced a massive data breach involving sensitive personal information. Prosper Marketplace admitted that the data stolen included name, Social Security Number / National ID Number, date of birth, bank account number, Prosper account number, other financial / credit application information, driver’s license number, marriage or birth certificate, passport number, tax information, payment card number.

Personally Identifiable Information (PII) may have been sold on the dark web where cybercriminals can piece together stolen data to perpetrate targeted scams. If your data was stolen, you may suffer serious financial harm, ID theft, and other long-term consequences that can affect you for the rest of your life.

-If you tried to cancel a subscription with Massage Envy and 

How Can I Recover Damages For Prosper Marketplace Allowing My Data To Be Stolen

We are a consumer protection law firm that holds large companies accountable for legal violations against consumers. Victims of the Prosper Marketplace data breach that live in Illinois are eligible to sign up for arbitration that will be filed against Prosper Marketplace for failing to properly protect customers’ data.

This Notice Affects:

Anyone who currently lives in Illinois and is a current or former Prosper Marketplace customer.

What Am I Signing Up For?

You are signing up for what’s known as “arbitration.” Arbitration, often required by the company itself, is when a person files a claim with an arbitrator to resolve outside of court, such as a data breach or unfair business practice. Arbitration is meant to be faster and more efficient than the court system.

How Much Does This Cost?

It costs you nothing to sign up. There are no out-of-pocket costs to you.

How Much Could I Get?

Though not guaranteed, you could receive up to $1,000 or more.

How can I invite friends and family affected by the data breach to this arbitration?

Share the link to this webpage with anyone you know that is a customer of Prosper Marketplace.

I’m Interested, What’s Next?

See if you qualify by clicking the “Sign up” button and answer a few questions.

FAQ's

Is this limited to a certain number of people? Is there a deadline to sign up?

Yes. We only accept a certain number of clients then we close the arbitration. While there is no deadline, once we reach the limit we will not accept any more clients for this arbitration.

No. You can only be compensated for a claim once. If you sign up for more than one you risk not receiving any money.

Mass arbitration is meant to be a faster and more efficient alternative to a class action lawsuit in the court system. Mass arbitrations typically pay victims significantly more than a class action. In arbitration, your claim is not lumped together with millions of other peoples’ claims.

A typical consumer class action can take 2-3 years and pay an average of only $32 while a successful arbitration often pays hundreds or more than $1000 in less time.

We are a consumer protection law firm based in suburban Chicago, IL that arbitrates and sues companies when they harm consumers by violating the law. We believe the average person should be compensated by companies that damage or fail to protect consumers like you.