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 filings 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.