BreachCensus

Virginia Mason Medical Center

United States of America

Virginia Mason Medical Center is an organisation in Washington. It appears on the Washington State Attorney General breach-notification register with 2 confirmed incidents; the most recent notice was filed on February 18, 2022.

Data as of September 1, 2026.

Sources

Confirmed incident

US-WA — Phishing Attack

Occurred
December 21, 2021
Disclosed
February 18, 2022

Timeline

  1. February 18, 2022
    Reported to regulator Regulator

    WA AG breach notification: 3,000 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 ↗

Confirmed incident

US-WA — Ransomware Attack

Occurred
February 7, 2020
Disclosed
September 8, 2020

Timeline

  1. September 8, 2020
    Reported to regulator Regulator

    WA AG breach notification: 227,371 Washington residents affected

    source

Related

Disclosed around the same time