Regence

Disclosed Jan 31, 20251 year agoConfirmed

Official notice

What is known

People affected	Not stated in the sources we have
Disclosed	Jan 31, 2025
Discovered	Nov 21, 2024
Happened	Nov 5, 2024
Attack	Phishing
Data exposed	Not stated
Sector	Healthcare · US
Status	Confirmed

Sources

Source	Kind
Washington Attorney General breach notice: Regenceatg.wa.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Washington AGresidents of WA	Jan 31, 2025	714
Washington AGresidents of WA	May 6, 2025	706

Other breaches at Regence

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed May 21, 2026May 214 months agoHacking	May 214 months ago	Hacking	Insurance	Confirmed	2,856
Disclosed Apr 12, 2021Apr 12, 20215 years agoHacking	Apr 12, 20215 years ago	Hacking	Insurance	Confirmed	803
Disclosed Aug 16, 2019Aug 16, 20197 years agoLost or stolen device	Aug 16, 20197 years ago	Lost or stolen device	Healthcare	Confirmed	Unknown

History of this record

2026-09-25 · disclosed: 2025-05-06 to 2025-01-31 · 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 Regence

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.