Breachesby GlyphHealth Net
Disclosed Apr 14, 20111,900,000 affectedConfirmed
Server drives missing from IBM-managed data center hold data of 1.9 million
Health Net reported that server drives went missing from a data center managed by vendor IBM. The breach was reported to HHS under IBM's name as affecting 1.9 million individuals.
What is known
| People affected | 1,900,000 (as reported by the organization) |
|---|---|
| Disclosed | Apr 14, 2011 |
| Attack | Lost or stolen device |
| Data exposed | HealthOther |
| Sector | Insurance · US |
| Status | Confirmed |
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, 2013Missing portable drive held records of 1.5 million Health Net membersLost or stolen device exposed health records, Social Security numbers, financial details and names.Lost or stolen device1.5M affectedInsuranceUSUnverifiedNov 18, 2009
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.