Prosper data breach
17,605,276 accounts exposed.
Check whether your email is included on Have I Been Pwned.
What was exposed
Browser user agent detailsCredit status informationDates of birthEmail addressesEmployment statusesGovernment issued IDsIncome levelsIP addressesNamesPhysical addresses
What to do
- Expect more phishing emails that mention this service. Do not click links in them; go to the site directly.
- Consider a credit freeze or fraud alert with the credit agencies in your country.
- Turn on two-step verification wherever it is offered, and use a password manager.
About this breach
In September 2025, Prosper announced that it had detected unauthorised access to their systems, which resulted in the exposure of customer and applicant information. The data breach impacted 17.6M unique email addresses, along with other customer information, including US Social Security numbers. Prosper advised that they did not find any evidence of unauthorised access to customer accounts and funds, and that their customer-facing operations were uninterrupted. Further information about the incident is contained in Prosper's FAQs.