Every public data breach

44 disclosed this week · 26,355 on record

Aflac

Disclosed May 15, 20156,166 affectedConfirmed

Official notice

Some of the covered entity’s (CE) policyholders erroneously received welcome packets in the mail that contained the protected health information (PHI) of other individuals on a summary page. The breach affected 6,166 individuals and the types of PHI involved in the incident included policyholders’ names, coverage applied for, premium amounts, whether the applicant was a new employee, codes or names representing employees’ departments, and denial or acceptance of insurance coverage. In response to the breach, the CE updated its privacy and security procedures, which included updating its mailing process. The CE installed new printer software on all IT quality assurance (QA) desktops and on additional machines located in the IT QA lab. The CE also purchased and installed new local printers that will allow IT testers and coders to confirm packet accuracy. The CE provided breach notification to HHS, affected individuals, and the media. OCR obtained assurances that the CE implemented the corrective actions listed above.

What is known

People affected6,166 (as reported to HHS)
DisclosedMay 15, 2015
HappenedOct 7, 2015
AttackInsider
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

Other breaches at Aflac

History of this record
attack2026-09-25
unknown to insiderby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
organization to hhsby backfillSource
records2026-09-25
297 to 6166by backfillSource
disclosed2026-09-25
2015-07-15 to 2015-05-15by backfillSource
summary2026-09-25
empty to Some of the covered entity’s (CE) policyholders erroneously received welcome packets in the mail that contained the protected health information (PHI) of other individuals on a summary page. The breach affected 6,166 individuals and the typby backfillSource
disclosed2026-09-25
2015-10-19 to 2015-07-15by backfillSource
records2026-09-25
1 to 297by backfillSource
disclosed2026-09-25
2015-11-10 to 2015-10-19by backfillSource
disclosed2026-09-25
2015-11-20 to 2015-11-10by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Aflac