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Virginia Mason Medical Center

Disclosed Feb 18, 20224 years ago2,733 affectedConfirmed

Official notice

Virginia Mason Medical Center, the covered entity(CE), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 1,523 individuals. The PHI involved included names, addresses, birthdates, Social Security numbers, email addresses, and claims and treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach incident, the CE implemented additional administrative, technical, and security safeguards.

What is known

People affected2,733 (as reported to HHS)
DisclosedFeb 18, 2022
DiscoveredJan 18, 2022
HappenedDec 21, 2021
AttackPhishing
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
Washington AGresidents of WAFeb 18, 20223,000
HHS archivetotalMar 14, 20222,733
HHS archivetotalMay 31, 20221,523

Other breaches at Virginia Mason Medical Center

BreachAffected
Disclosed Sep 8, 2020Sep 8, 20206 years agoRansomware245K
History of this record
  • 2026-09-25 · records: 1523 to 2733 · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to hhs · backfill source
  • 2026-09-25 · records: empty to 1523 · backfill source
  • 2026-09-25 · summary: empty to Virginia Mason Medical Center, the covered entity(CE), reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 1,523 individuals. The PHI involved included names, addresses, birthdates, Social · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.

Everything about Virginia Mason Medical Center

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