Investigating

Insightin Health: health plan data may have been accessed via unknown vendor software flaw

In September 2025, an unauthorised person entered the network using a new, unknown flaw in a vendor’s software; files on a few servers may have been viewed or copied between September 17 and 23, 2025, including names, dates of birth, gender and health plan information.

Last updated: 2026-11-09

Overview

Client health plans were informed privately in December 2025. No SSNs were involved. Recorded once under the vendor. No total is given. The first-disclosure date is the earliest public document confirmed (Vermont AG posting on January 28, 2026); 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. Sample consumer notice filed with California AG (Insightin Health, Inc., posted 03/05/2026)California Department of Justice, Office of the Attorney General · 2026-11-09
  2. Vermont AG: Insightin Health notice to consumers (2026-01-28)Vermont Office of the Attorney General · 2026-11-09
  3. Sample consumer notice filed with California AG (Insightin Health, Inc.)California Department of Justice, Office of the Attorney General · 2026-11-09
  4. California AG data breach report: Insightin Health, Inc.California Department of Justice, Office of the Attorney General · 2026-11-09
  5. California AG data breach report: Insightin Health, Inc. (posted 03/05/2026)California Department of Justice, Office of the Attorney General · 2026-11-09

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