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Tieu Dental: patient information may have been accessed or acquired

Tieu Dental became aware of unauthorised access to its network; the forensic investigation found the actor accessed the network between July 28 and 29, 2025, and personal and/or health information may have been accessed or acquired.

Last updated: 2026-11-09

Overview

Fields are templated; no total is given. The first-disclosure date is the earliest public document confirmed (California AG posting); no 2025 public disclosure was found in other state AG lists, HHS or company notices checked.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Verify notices through official channels, avoid links in unexpected messages, do not provide credentials, and review credit reports and statements.

Sources

  1. California AG data breach report: Tieu Dental CorporationCalifornia Department of Justice, Office of the Attorney General · 2026-11-09
  2. Sample consumer notice filed with California AG (Tieu Dental Corporation)California Department of Justice, Office of the Attorney General · 2026-11-09

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