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Sigmund Software

Disclosed Oct 20, 20223 years ago4,767 affectedConfirmed

Official notice

The business associate (BA), Sigmund Software, LLC, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 4,767 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, and health information. The BA notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the BA offered free credit monitoring to affected individuals and implemented additional administrative, technical, and security safeguards. Staff were also retrained on obligations to protect and secure PHI.

What is known

People affected4,767 (as reported to HHS)
DisclosedOct 20, 2022
AttackHacking
Data exposedNames, Health
SectorTech · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
Vermont AGresidents of VTOct 20, 2022
Indiana AGresidents of INOct 20, 202218
HHS archivetotalOct 20, 20224,767
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: organization to hhs · backfill source
  • 2026-09-25 · records: 983 to 4767 · backfill source
  • 2026-09-25 · summary: empty to The business associate (BA), Sigmund Software, LLC, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 4,767 individuals. The PHI involved included names, addresses, dates of birth, dr · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 983 · backfill source
  • 2026-09-25 · added · backfill source

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

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