verified2025-09-01
ProsperProsper breach
prosper.com · 17,605,276 records compromised
Records
17.61M
Breach date
2025-09-01
Domain
prosper.com
Data classes
10
Description
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 .
Compromised data classes· 10
Browser user agent detailsCredit status informationDates of birthEmail addressesEmployment statusesGovernment issued IDsIncome levelsIP addressesNamesPhysical addresses
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.