Breachesby GlyphHealth Net
Disclosed Nov 18, 20091,500,000 affectedUnverified
Missing portable drive held records of 1.5 million Health Net members
A portable disk drive with health information, Social Security numbers and bank account numbers disappeared from Health Net six months before disclosure, including all 446,000 Connecticut members; the Connecticut attorney general sued in the first state HIPAA enforcement action.
What is known
| People affected | 1,500,000 (as reported by the organization) |
|---|---|
| Disclosed | Nov 18, 2009 |
| Attack | Lost or stolen device |
| Data exposed | HealthSocial Security numbersFinancialNames |
| Sector | Insurance · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
Notices filed
Other breaches at Health Net
Breach, details not statedBreach notice filed with the California AG, details not stated.HealthcareUSDec 22, 2021Insider breachInsider exposed names and health records. Reported to the HHS archive.2,404 affectedInsuranceUSMay 13, 2019Breach, details not statedExposed names and health records. Reported to the California AG.8,331 affectedHealthcareUSJul 2, 2013Server drives missing from IBM-managed data center hold data of 1.9 millionLost or stolen device exposed health records.Lost or stolen device1.9M affectedInsuranceUSApr 14, 2011
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.