Major League Baseball Players Benefit Plan
Disclosed Mar 11, 20224 years ago13,156 affectedConfirmed
The covered entity (CE), Major League Baseball Players Benefit Plan, reported that its business associate (BA) experienced a cybersecurity attack that affected the protected health information (PHI) of 13,156 individuals. The PHI involved included names, addresses, dates of birth, and Social Security numbers. The CE coordinated with the BA to provide notice to HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative and technical safeguards to better protect PHI. Staff were also retrained.
What is known
| People affected | 13,156 (as reported to HHS) |
|---|---|
| Disclosed | Mar 11, 2022 |
| Happened | Nov 12, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Major League Baseball Players Benefit Planoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Major League Baseball Players Benefit Plan (Health Plan, MD)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 11, 2022 | 13,156 |
| California AGresidents of CA | Mar 22, 2022 |
History of this record
- 2026-09-25 · sector: other to insurance · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: empty to hhs · backfill source
- 2026-09-25 · records: empty to 13156 · backfill source
- 2026-09-25 · disclosed: 2022-03-22 to 2022-03-11 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Major League Baseball Players Benefit Plan, reported that its business associate (BA) experienced a cybersecurity attack that affected the protected health information (PHI) of 13,156 individuals. The PHI involved i · 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.