Every public data breach

44 disclosed this week · 26,355 on record

Cliff Viessman

Disclosed Sep 10, 20253,637 affectedConfirmed

Official notice

What is known

People affected3,637 (as reported by the organization)
DisclosedSep 10, 2025
HappenedAug 5, 2025
AttackNot stated
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Notices filed

History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 3637by backfillSource
occurred2026-09-25
empty to 2025-08-05by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Cliff Viessman