Prosper customer data breach
Data Leak
Summary
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Prosper disclosed a data breach that could have exposed personal data from over 17 million customers, making this a large-scale leak of sensitive financial-services user records. The exposure was later reflected in a Have I Been Pwned entry that tied the event to 17.6 million Prosper customers.
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Timeline
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17.10.2025 13:45 2 articles · 7mo ago
Prosper customer data breach
Initial DisclosureIn **September**, Prosper disclosed that **unauthorized queries** had been made against databases holding customer and applicant data, and access was revoked on **September 2**. On **October 16**, a breach-tracking entry linked the event to **17.6 million** Prosper customers.
Show sources
- Prosper Data Breach Exposes 17 Million Customers' Personal Info — www.infosecurity-magazine.com — 17.10.2025 13:45
- Prosper Data Breach Exposes 17 Million Customers' Personal Info — www.infosecurity-magazine.com — 17.10.2025 13:45