Every public data breach

44 disclosed this week · 26,355 on record

ADP (Automatic Data Processing

Disclosed Jun 4, 2013Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedJun 4, 2013
HappenedApr 29, 2013
AttackNot stated
Data exposedNamesSocial Security numbersNames
SectorTech · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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