Every public data breach

47 disclosed this week · 26,367 on record

City of Naperville

Disclosed Jul 10, 2025342 affectedConfirmed

Official notice

What is known

People affected342 (as reported by the organization)
DisclosedJul 10, 2025
HappenedMay 28, 2025
AttackNot stated
Data exposedNot stated
SectorGovernment · US
StatusConfirmed

Sources

Notices filed

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

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

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