Prosper Marketplace, Inc. — April 2025 breach

Clustered 14 filings across 13 jurisdictions · filing window Sep 17, 2025 → Dec 11, 2025. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

14 filings

States

Affected · reported

13,076,476

First → last filing

Sep 17, 2025 → Dec 11, 2025

Merge confidence

100%

incident inc_281d9c902cd546a8 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 14 regulatory filings. The filings describe unauthorized access. Intrusion Apr 29, 2025–Sep 2, 2025, discovered Sep 1, 2025 — the first regulatory filing landed 16 days later (flagged late). 13,076,476 individuals reported across the linked filings. Data reported: Government ID, PII, Financial account, and 1 more. Notifications rolled out on a 85-day schedule across 14 filings beginning Sep 17, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

16days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Materiality delta

16days

Discovery to SEC materiality determination

SEC filing delay

0days

Materiality determination to SEC 8-K filing

Filing span

85days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence — no leak-site claim in this cluster.

Regulatory clocksWashington✗ WA AG >90dOregon✗ OR AG >45dTexas✗ TX AG >30dMassachusetts✓ MA credit monitoring dueIowa✓ IA AG ≤5 bdaySouth Carolina✓ SC CRA notice dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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