BreachCensus

Montana Health Solutions

United States of America

Montana Health Solutions is an organisation in Washington. It appears on the Massachusetts Attorney General breach-notification register and the Washington State Attorney General breach-notification register with 1 confirmed incident; the most recent notice was filed on March 31, 2025.

Data as of September 1, 2026.

Sources

Confirmed incident

Filed in WA and MA — Phishing Attack

The same incident was filed separately with 2 jurisdictions within a few days of each other (WA and MA) — shown here as one incident.

Occurred
September 6, 2024
Disclosed
March 31, 2025

Timeline

  1. March 31, 2025
    Reported to regulator Regulator

    MA AG breach notification: 3 Massachusetts residents affected

    source
  2. March 31, 2025
    Reported to regulator Regulator

    WA AG breach notification: 619 Washington residents affected

    source
What a Washington notice means

Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

Note: the count is Washington residents only, not a total.

Washington breach-notification register ↗

What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Related

Disclosed around the same time