Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Nuance Communications, Inc., o/b/o certain data controllers

Disclosed Sep 15, 2023Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedSep 15, 2023
DiscoveredJul 10, 2023
HappenedMay 28, 2023
AttackHacking
Data exposedNot stated
SectorTelecom · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Nuance Communications, Inc., o/b/o certain data controllers
Official noticeatg.wa.gov
Washington Attorney General breach notice: Nuance Communications, Inc., o/b/o certain data controllers

Notices filed

Residents of CASep 15, 2023
California AGCount not stated
Residents of WASep 15, 2023
Washington AG7,993 people
History of this record
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2023-07-10by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Nuance Communications, Inc., o/b/o certain data controllers