Prosper

Disclosed Nov 26, 20187 years ago3,115 affectedConfirmed

What is known

People affected	3,115 (as reported by the organization)
Disclosed	Nov 26, 2018
Discovered	Oct 15, 2018
Happened	Oct 3, 2018
Attack	Not stated
Data exposed	Names, Social Security numbers, Government IDs, Payment cards, Financial
Sector	Finance · US
Status	Confirmed

Source	Kind
Maine Attorney General breach notice archive: Prospermaine.gov · Official notice	Official notice

Where	Filed	People
Maine AGresidents of ME	Nov 26, 2018	18

Breach	Disclosed	Attack	Sector	Status	Affected
Hackers steal data of 17.6 million Prosper accounts including SSNsSep 17, 20251 year agoHacking	Sep 17, 20251 year ago	Hacking	Finance	Confirmed	18Macct

History of this record

First seen 2026-09-25 (Maine AG), confirmed by Maine AG. Record counts are as reported. Not legal advice.