DisclosureLens
UnknownFinanceCritical

Prosper Marketplace, Inc.

bd_064375e1021db324 · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Dec 9, 2025

To disclose

—

Affected · nationwide

13,076,476275,894 in this filing

Linked

14 filings

Confidence

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

Prosper Marketplace Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2025-04-29 and was reported on 2025-12-09. 275,894 Indiana residents were affected. 13,076,476 individuals affected in total.

Incident timeline

Apr 29, 2025

Begins

Dec 9, 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 2d gap

Showing first 10 of 13 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗
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
Indiana State AGDec 9 · first · this page
Texas State AG+1d
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.