Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Sierra Construction

Disclosed Oct 30, 2024Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedOct 30, 2024
DiscoveredAug 14, 2024
HappenedAug 13, 2024
AttackRansomware
Data exposedNot stated
SectorManufacturing · US
StatusConfirmed

Sources

Official noticeatg.wa.gov
Washington Attorney General breach notice: Sierra Construction

Notices filed

Residents of WAOct 30, 2024
Washington AG1,103 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 Sierra Construction