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MHNext

Disclosed Mar 16, 20215 years ago1,200,000 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 exposedNames, Credentials and tokens
SectorOther · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: MHNextoag.ca.gov · Official notice
Washington Attorney General breach notice: MHNextatg.wa.gov · Official notice
Notice letter filed with the Delaware DOJ: MHNextattorneygeneral.delaware.gov · Official notice
Oregon DOJ breach notice: MHNextjustice.oregon.gov · Official notice

Notices filed

WhereFiledPeople
Delaware DOJresidents of DEMar 16, 20212,075
Washington AGresidents of WAApr 1, 20217,714
California AGresidents of CAApr 2, 2021
Oregon DOJresidents of ORApr 2, 20211,200,000
History of this record
  • 2026-09-25 · data_types: [] to ["names","credentials"] · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 1200000 · backfill source
  • 2026-09-25 · disclosed: 2021-04-01 to 2021-03-16 · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · disclosed: 2021-04-02 to 2021-04-01 · backfill source
  • 2026-09-25 · discovered: empty to 2021-03-02 · backfill source
  • 2026-09-25 · added · backfill source

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

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