TenX Systems
Disclosed Jun 7, 20197 years ago95,000 affectedConfirmed
The business associate (BA), TenX Systems dba ResiDex Software, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 90,000 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, diagnoses, labs results, medications prescribed, and other treatment information. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.
What is known
| People affected | 95,000 (as reported by the organization) |
|---|---|
| Disclosed | Jun 7, 2019 |
| Discovered | Apr 9, 2019 |
| Happened | Apr 2, 2019 |
| Attack | Hacking |
| Data exposed | Names, Social Security numbers, Health |
| Sector | Tech · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Maine Attorney General breach notice archive: TenX Systemsmaine.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): TenX Systems (Business Associate, MN)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Maine AGresidents of ME | Jun 7, 2019 | 35 |
| HHS archivetotal | Jun 7, 2019 | 90,000 |
History of this record
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: ["names","ssn"] to ["names","ssn","health"] · backfill source
- 2026-09-25 · summary: empty to The business associate (BA), TenX Systems dba ResiDex Software, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 90,000 individuals. The PHI involved included names, dates of birth, · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Maine AG), confirmed by Maine AG. Record counts are as reported. Not legal advice.