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Investigation OpenIL AG filing · September 1, 2025

PROSPER MARKETPLACE, INC. Data Breach: What the IL Filing Shows

PROSPER MARKETPLACE, INC. reported a data breach to Illinois authorities on September 1, 2025. The incident, which exposed personal information, is currently under investigation, and individuals who receive notification letters should carefully review them for specifics.

State
IL
Reported
September 1, 2025

PROSPER MARKETPLACE, INC. has submitted a data breach notification to regulatory bodies in Illinois, with the official filing date recorded as September 1, 2025. The company stated that the incident is currently undergoing investigation to determine its full scope and impact.

The specific nature of the breach and the exact types of personal information involved were not detailed in the public filing. Individuals who may be affected are advised to refer to any direct notification they receive from PROSPER MARKETPLACE, INC. for more precise information.

If you received a data breach notification letter from PROSPER MARKETPLACE, INC., it is important to read the document thoroughly. This letter should provide concrete details about the incident, including what information was potentially exposed and any support services offered.

To help protect yourself, remain vigilant for any unusual activity across your accounts. Consider monitoring your financial statements and credit reports for unauthorized transactions or suspicious inquiries. These are general precautions applicable to any situation involving potential exposure of personal information.

This information is derived from public data breach filings. It is always recommended to cross-reference details with official sources or directly with PROSPER MARKETPLACE, INC. if you have received a notification.

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 IL Attorney General: https://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/databreach-search#IL-25-12-642 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 IL Attorney General on September 1, 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?
Look for an enrollment code in your PROSPER MARKETPLACE, INC. notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. 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 IL 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: IL Attorney General filing

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PROSPER MARKETPLACE, INC. Data Breach 2025: Filing Record