HackingStolen CredentialsData ExfiltratedCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTMediumContained

Prosper

bd_0e596803e4bc415f · schema v1 · pii pii-v1

Prosper Marketplace, Inc. disclosed a cybersecurity event discovered on September 1, 2025, involving unauthorized database queries between June and August 2025. Personal information, including government identifiers and basic identity data, was obtained. No unauthorized account access or fund theft occurred. Prosper engaged a cybersecurity firm, reported to law enforcement, and offers two years of credit monitoring via Experian.

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

bd_1d8dc2966340fc3fCalifornia State AGfiled 2025-12-09Candidate
bd_7e60fb558f491648South Carolina State AGfiled 2025-12-11(2d gap)Verified

Source provenance

Source URL: https://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2026/01/Prosper_Sample-Individual-Notice-12-09-25.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 9, 2025
Raw hash: c9f4a389e6537307f2ea8259a257ca416821216fe1cab7b75649ba6cc6567b38

Reporting entity

Name: Prosper
norm: prosper
Domain: prosper.com

Victim entity

Name: Prosper
norm: prosper
Domain: prosper.com

Incident

Discovered: Sep 1, 2025
Materiality determined: —
Notification sent: Dec 9, 2025
Affected individuals: Not disclosed
Data types: IDENTITY_BASICIDENTITY_GOVERNMENT
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: reported the incident to law enforcement
Initial access: valid_credentials

Compliance

Time to disclose: 14 weeks(99 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Extraction provenance

Status: No extraction artifact recorded for this disclosure.