Breachesby GlyphJohns Hopkins Health System
Disclosed Jun 23, 2023363,885 affectedConfirmed
John Hopkins Health System Corporation, the covered entity (CE), reported that it experienced a malware attack that compromised the protected health information (PHI) of 2,584 individuals. The PHI involved included names, addresses, birthdates, and treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional technical safeguards.
What is known
| People affected | 363,885 (as reported by the organization) |
|---|---|
| Disclosed | Jun 23, 2023 |
| Happened | May 29, 2023 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
unknown to hackingby backfillSource
[] to ["names","health"]by backfillSource
empty to John Hopkins Health System Corporation, the covered entity (CE), reported that it experienced a malware attack that compromised the protected health information (PHI) of 2,584 individuals. The PHI involved included names, addresses, birthdaby backfillSource
First recordedby backfillSource
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.