Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

ADP

Disclosed Jun 5, 2013Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedJun 5, 2013
AttackNot stated
Data exposedNot stated
SectorTech · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: ADP

Notices filed

Residents of CAJun 5, 2013
California AGCount not stated

Other breaches at ADP

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.4,702 affectedTechUSFeb 18, 2020Breach, details not statedBreach notice filed with the Indiana AG, details not stated.230 affectedTechUSMar 22, 2016Breach, details not statedBreach notice filed with the California AG, details not stated.TechUSJun 8, 2015
History of this record
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 ADP