Every public data breach

47 disclosed this week · 26,367 on record

Keystone Tax Services

Disclosed Aug 31, 20233 affectedConfirmed

Official notice

What is known

People affected3 (as reported by the organization)
DisclosedAug 31, 2023
DiscoveredAug 28, 2023
HappenedAug 28, 2023
AttackNot stated
Data exposedNames
SectorFinance · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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