People search Tricare data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 2 Tricare-linked incidents, with headline counts up to 4.9M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Tricare breach history matters
Tricare operates in Technology (United States). Across indexed rows, recurring themes include mixed intrusion and disclosure events. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2011 — — Tricare: The information for some 4, 4.9M records
Cataloged incident. Sep 2011. The information for some 4.6 million active and retired military personnel, as well as their families, was on back up-tapes from an electronic health care record used to capture and preserve patient data from 1992 through September 7 2011. BreachHistory cites approximately 4.9M+ affected records in this row. See the tricare2011 and canonical BreachHistory entry.
1992 — — Tricare: The information for some 4, 4.9M records
Cataloged incident. The information for some 4.6 million active and retired military personnel, as well as their families, was on back up-tapes from an electronic health care record used to capture and preserve patient data from 1992 through September 7 2011. BreachHistory cites approximately 4.9M+ affected records in this row. See the tricareu and canonical BreachHistory entry.
Patterns and analysis
- Mixed intrusion and disclosure events — appears across multiple Tricare catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the Tricare company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/tricare · Latest: tricare2011.
Sources: BreachHistory catalog (2 rows for Tricare), company and regulator disclosures cited in individual breach records.