New breach: Prosper had 17.6M unique email addresses breached in an incident they detected and disclosed last month. Data included other customer info including SSN. Customer accounts and funds were not impacted. 84% were already in @Have I Been Pwned. More: 
Have I Been Pwned
Have I Been Pwned: Prosper Data Breach
In September 2025, Prosper announced that it had detected unauthorised access to their systems, which resulted in the exposure of customer and appl...