Every public data breach

47 disclosed this week · 26,367 on record

Mount Sinai Medical Center

Disclosed Mar 15, 20131,586 affectedConfirmed

Official notice

The covered entity (CE), Mount Sinai Medical Center, reported that a provider’s personal unencrypted portable computer drive (a universal serial bus (USB) drive) was lost or stolen from the CE. The USB drive contained the protected health information (PHI) of 610 individuals and included names, dates of birth, medical record numbers, procedure logs, procedure dates, procedure information, and clinical information. The CE provided breach notification to HHS, the media, and the affected individuals. Following the breach, the CE sanctioned the provider, reminded all workforce members of its guidance and resources for encryption, and retrained all workforce members on HIPAA privacy and security. As a result of OCR’s investigation, the CE is expected to conduct a risk analysis, implement a corresponding remediation plan, and implement workstation security. The CE is expected to update and clarify its policies for portable devices and device and media controls and review its HIPAA training content. The CE is also expected to implement a comprehensive policy and procedure for personally owned electronic devices to ensure that they are encrypted, tracked and monitored for encryption.

What is known

People affected1,586 (as reported to HHS)
DisclosedMar 15, 2013
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Mount Sinai Medical Center

History of this record
disclosed2026-09-25
2013-10-04 to 2013-03-15by backfillSource
records2026-09-25
610 to 1586by backfillSource
disclosed2026-09-25
2013-10-21 to 2013-10-04by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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