DisclosureLens
UnknownFinancial ServicesFinanceFinancial accountIdentity (basic)Government IDCritical

Prosper Marketplace, Inc.

bd_a95dd486a1b3cf8d · schema v1 · pii pii-v1

Severity

Critical

Discovered

Sep 1, 2025

Filed

Dec 10, 2025

To disclose

14 weeks

Affected · nationwide

13,076,4761,161,581 in this filing

Linked

14 filings

Confidence

95%
Full breach record for Prosper Marketplace, Inc. →3 incidents on file

Prosper Marketplace, Inc based in San Francisco, California, a financial services entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-09-01 and reported on 2025-12-10. 1,161,581 Texas residents were affected. 13,076,476 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Government-issued ID number (e.g. passport, state ID card);Financial Information (e.g. account number, credit or debit card number);Date of Birth. Consumers were notified via Posted at company website or special website;U.S. Mail;Email.

Texas clock✗ TX AG >30d14 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

discovery → filing · ≤ 14 weeks / 100 days

Sep 1, 2025

Discovered

Dec 10, 2025

Filed

This filing is one of 14 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 1d gap

Showing first 10 of 13 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗
Indiana State AGDec 9 · first
Delaware State AGDec 9 · first
California State AGDec 9 · first
Washington State AGDec 9 · first
Montana State AGDec 9 · first
Nebraska State AGDec 9 · first
Iowa State AGDec 9 · first
Nebraska State AGDec 9 · first
Massachusetts State AGDec 9 · first
Texas State AG+1d · this page
South Carolina State AG+2d

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.