National Public Data

Disclosed Aug 10, 20241,300,000 affectedConfirmed

Background check broker breach leaks 2.9 billion rows including Social Security numbers

Background check data broker National Public Data confirmed that a third party tried to breach its data from late December 2023, with leaks in April and summer 2024; a hacker offered 2.9 billion rows of records including Social Security numbers for sale. The company first reported about 1.3 million affected people, later filed for Chapter 11 bankruptcy in October 2024 citing potentially hundreds of millions affected, and shut down in December 2024.

What is known

People affected	1,300,000 (as reported by the organization)
Disclosed	Aug 10, 2024
Discovered	Dec 2023
Happened	Dec 29, 2023
Attack	Hacking
Data exposed	NamesEmailsPhone numbersSocial Security numbersAddressesDates of birth
Sector	Data brokers · US
Status	Confirmed
Lawsuit or fine	Multiple class actions; parent Jerico Pictures filed Chapter 11 bankruptcy (Oct 2024)

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: National Public Data

Official noticeattorneygeneral.delaware.gov

Delaware DOJ breach notice: National Public Data

The organizationweb.archive.org

Security Incident | National Public Data (archived)

Newstheregister.com

National Public Data files for bankruptcy, admits 'hundreds of millions' potentially affected

Newstheverge.com

National Public Data admits it leaked Social Security numbers in a massive data breach

Official noticein.gov

Indiana Attorney General 2024 data breach report: National Public Data

Notices filed

Residents of DEAug 10, 2024

Delaware DOJ7,098 people

Residents of INAug 10, 2024

Indiana AG22,835 people

TotalAug 16, 2024

ResearchCount not stated

Residents of CAAug 17, 2024

California AGCount not stated

History of this record

source2026-09-25

empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Reportdec-2024.pdfby backfillSource

lawsuit2026-09-25

empty to Multiple class actions; parent Jerico Pictures filed Chapter 11 bankruptcy (Oct 2024)by seedSource

sector2026-09-25

tech to databy seedSource

attack2026-09-25

unknown to hackingby seedSource

data_types2026-09-25

["names"] to ["names","emails","phone","ssn","addresses","dob"]by seedSource

discovered2026-09-25

empty to 2023-12by seedSource

summary2026-09-25

empty to Background check data broker National Public Data confirmed that a third party tried to breach its data from late December 2023, with leaks in April and summer 2024; a hacker offered 2.9 billion rows of records including Social Security numby seedSource

title2026-09-25

empty to Background check broker breach leaks 2.9 billion rows including Social Security numbersby seedSource

data_types2026-09-25

[] to ["names"]by backfillSource

records_basis2026-09-25

empty to organizationby backfillSource

records2026-09-25

empty to 1300000by backfillSource

disclosed2026-09-25

2024-08-17 to 2024-08-10by backfillSource

Added2026-09-25

First recordedby backfillSource

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

Everything about National Public Data