Prosper

2 breaches18M affected in allTechprosper.com

Hackers steal data of 17.6 million Prosper accounts including SSNsHacking exposed financial details, dates of birth, emails, employment records, government IDs, IP addresses, names, addresses and Social Security numbers.Hacking18M accountsFinanceUSSep 17, 2025 Breach, details not statedExposed names, Social Security numbers, government IDs, payment cards and financial details. Reported to the Maine AG.3,115 affectedFinanceUSNov 26, 2018

About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages, the company profile.

Added2026-09-25

Prosper, 2018-11-26

source_type2026-09-25

Prosper, 2025-09-17filing

source_url2026-09-25

Prosper, 2025-09-17https://www.sec.gov/Archives/edgar/data/1416265/000141626525000038/prosper-20250901.htm

country2026-09-25

Prosper, 2025-09-17US

sector2026-09-25

Prosper, 2025-09-17finance

attack2026-09-25

Prosper, 2025-09-17hacking

data_types2026-09-25

Prosper, 2025-09-17["financial","dob","emails","employment","government-id","ip-addresses","names","addresses","ssn","other"]

disclosed2026-09-25

Prosper, 2025-09-172025-09-17

discovered2026-09-25

Prosper, 2025-09-172025-09-01

summary2026-09-25

Prosper, 2025-09-17Prosper told the SEC it identified unauthorized access to systems containing confidential information on September 1, 2025; attackers queried customer and applicant databases and took data including SSNs. Have I Been Pwned said 17.6 million

title2026-09-25

Prosper, 2025-09-17Hackers steal data of 17.6 million Prosper accounts including SSNs

Added2026-09-25

Prosper, 2025-09-17

Added2026-09-25

Prosper