MisusePrivilege AbuseCustomer Data InvolvedEmployee Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTPHIMediumContained
Health Management Systems of America
bd_ea6dd320ea2e4b9c · schema v1 · pii pii-v1
Full breach record for Health Management Systems of America →Health Management Systems, Inc. (HMS) notified Massachusetts residents of a data breach occurring on April 21, 2026. An employee uploaded a photo of their workstation to Facebook, exposing personal information including names, addresses, Social Security Numbers, and claim numbers. HMS investigated, had the post removed, and offered 24 months of identity theft protection via IDX. The incident involved Medicaid benefits administration data.
Massachusetts clock⏱ MA AG >30d6 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://www.mass.gov/doc/2026-1036-health-management-systems-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jun 1, 2026
- Raw hash
- c2b16f7493c2138f37ef5faacd5d7c78d57b949fcfb363b771c7f17deaac7651
Reporting entity
- Name
- Health Management Systems of Americanorm: health management systems of america
- Domain
- hmsanet.com
Victim entity
- Name
- Health Management Systems of Americanorm: health management systems of america
- Domain
- hmsanet.com
Incident
- Discovered
- Apr 21, 2026
- Materiality determined
- —
- Notification sent
- Jun 16, 2026
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTPHI
- Attack vector
- Insider
- MITRE ATT&CK
- T1566.002 Spearphishing Link
- Threat actor
- Internal
- Initial access
- insider_action
Compliance
- Time to disclose
- 6 weeks(41 days from discovery to filing)
- Compliance flags
- MA AG >30d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.