BreachScout BreachScout Breach Records

Regulator-posted notice

Breach notice filed by Defense Health Agency (TriWest) (May 2026)

Organization named: Defense Health Agency (TriWest) Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of May 21, 2026.

Organization as reported
Defense Health Agency (TriWest), VA
Entity type as reported
Health Plan
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
May 21, 2026
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 8917, row:56)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Defense Health Agency, reported that several employees were the targets of an email phishing scheme that affected the protected health information (PHI) of approximately 11,844 individuals. The PHI involved names, addresses, dates of birth, other identifiers, claims information, diagnoses/conditions, and other treatment information. The CE notified HHS, the media, and the affected individuals. OCR provided technical assistance to the CE regarding the HIPAA Rules.

The source's own words, from the revision above.

Figures, per source

  • 11,844 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date May 21, 2026, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 8917)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Defense Health Agency (TriWest) Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Defense Health Agency (TriWest) (May 2026). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.