Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Mas Tec

Disclosed Nov 20, 2023Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedNov 20, 2023
DiscoveredJun 7, 2023
HappenedMay 27, 2023
AttackHacking
Data exposedNot stated
SectorFinance · US
StatusConfirmed

Sources

Official noticeatg.wa.gov
Washington Attorney General breach notice: Mas Tec

Notices filed

Residents of WANov 20, 2023
Washington AG675 people
History of this record
Added2026-09-25
First recordedby backfillSource

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

Everything about Mas Tec