Every public data breach

44 disclosed this week · 26,355 on record

MHNext

Disclosed Mar 16, 20211,200,000 affectedConfirmed

Official notice

What is known

People affected1,200,000 (as reported by the organization)
DisclosedMar 16, 2021
DiscoveredMar 2, 2021
HappenedFeb 1, 2021
AttackHacking
Data exposedNamesCredentials and tokens
SectorOther · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
[] to ["names","credentials"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 1200000by backfillSource
disclosed2026-09-25
2021-04-01 to 2021-03-16by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
disclosed2026-09-25
2021-04-02 to 2021-04-01by backfillSource
discovered2026-09-25
empty to 2021-03-02by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about MHNext