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44 disclosed this week · 26,355 on record

Major League Baseball Players Benefit Plan

Disclosed Mar 11, 202213,156 affectedConfirmed

Official notice

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 affected13,156 (as reported to HHS)
DisclosedMar 11, 2022
HappenedNov 12, 2021
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to insuranceby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 13156by backfillSource
disclosed2026-09-25
2022-03-22 to 2022-03-11by backfillSource
summary2026-09-25
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 iby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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