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Aetna

Disclosed Aug 29, 20179 years ago11,887 affectedConfirmed

Official notice

On October 11, 2018, a business associate (BA), BenefitMall, discovered a phishing attack which affected the protected health information (PHI) of 2,030 of the covered entity’s (CE) individual members, including demographic, financial, and health plan information. The BA notified the CE of the breach on December 11, 2018, and the CE provided breach notification to HHS, affected individuals, and the media. OCR reviewed the CE’s policies, procedures, and the executed BA agreement as it relates to this breach. The policies appear to be in compliance with the Privacy Rule. As a result of the breach, the BA implemented two-factor authentication and retrained employees.

What is known

People affected11,887 (as reported to HHS)
DisclosedAug 29, 2017
HappenedJun 1, 2018
AttackHacking
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Source
Indiana Attorney General 2019 data breach report: Aetnain.gov · Official notice
Indiana Attorney General 2018 data breach report: Aetnain.gov · Official notice
HHS OCR breach report (archive, resolved): Aetna (Health Plan, CT)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalAug 29, 201711,887
HHS archivetotalOct 23, 20171,506
HHS archivetotalNov 8, 20171,600
Indiana AGresidents of INJan 30, 20181
Indiana AGresidents of INAug 17, 20184
Indiana AGresidents of INJan 30, 20192
HHS archivetotalJan 30, 20192,030

Other breaches at Aetna

BreachAffected
Disclosed Feb 27, 2026Feb 277 months agoInsider775
Disclosed Jul 27, 2022Jul 27, 20224 years ago326K
Disclosed Dec 10, 2020Dec 10, 20205 years ago484K
Disclosed Nov 28, 2016Nov 28, 20169 years agoInsider19K
Disclosed Jul 27, 2010Jul 27, 201016 years agoInsider6,372
Web site breach may have exposed SSNs of 65,000 Aetna employeesMay 28, 200917 years agoHackingUnverified65K
History of this record
  • 2026-09-25 · records_basis: organization to hhs · backfill source
  • 2026-09-25 · records: 2334 to 11887 · backfill source
  • 2026-09-25 · disclosed: 2017-10-23 to 2017-08-29 · backfill source
  • 2026-09-25 · disclosed: 2017-11-08 to 2017-10-23 · backfill source
  • 2026-09-25 · disclosed: 2018-01-30 to 2017-11-08 · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · summary: empty to On October 11, 2018, a business associate (BA), BenefitMall, discovered a phishing attack which affected the protected health information (PHI) of 2,030 of the covered entity’s (CE) individual members, including demographic, financial, and · backfill source
  • 2026-09-25 · disclosed: 2019-01-30 to 2018-01-30 · backfill source
  • 2026-09-25 · added · backfill source

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

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