Every public data breach

44 disclosed this week · 26,355 on record

CBS Consolidated

Disclosed Sep 5, 201721,856 affectedConfirmed

Official notice

CBS Consolidated dba Cornerstone Business and Management Solutions, a business associate (BA), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 21,856 individuals. The PHI involved included names, addresses, birthdates, and Social Security numbers. The BA notified HHS, affected individuals, the media, and provided substitute notice. Complimentary credit monitoring services were provided to those affected by the breach. In its mitigation efforts, the BA terminated its existing business associate arrangements. Therefore, the investigation was terminated.

What is known

People affected21,856 (as reported to HHS)
DisclosedSep 5, 2017
DiscoveredJul 10, 2017
HappenedJul 10, 2017
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to healthby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 21856by backfillSource
summary2026-09-25
empty to CBS Consolidated dba Cornerstone Business and Management Solutions, a business associate (BA), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 21,856 individuals. The PHI involved incluby backfillSource
discovered2026-09-25
empty to 2017-07-10by 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 CBS Consolidated