TRICARE

Disclosed Nov 4, 20114,900,000 affectedConfirmed

Backup tapes lost by contractor SAIC expose data of 4.9 million TRICARE patients

Backup tapes holding records of military health plan beneficiaries were lost while in the care of contractor Science Applications International Corporation. HHS lists the breach at 4.9 million individuals.

What is known

People affected	4,900,000 (as reported by the organization)
Disclosed	Nov 4, 2011
Attack	Lost or stolen device
Data exposed	Health
Sector	Government · US
Status	Confirmed

Sources

Regulatorocrportal.hhs.gov

HHS Office for Civil Rights breach portal (archive): Breaches Affecting 500 or More Individuals

Notices filed

TotalNov 4, 2011

Research4,900,000 people

History of this record

Added2026-09-25

First recordedby seedSource

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

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