[Investigating][Severity: Moderate][Lost device]

Kurashiki Central Hospital: an unencrypted USB drive holding personal data on 1,162 patients was lost, and a leak cannot be ruled out

A USB drive holding personal data on 1,162 patients was lost; it was not encrypted, so the hospital cannot rule out a leak.

Disclosed

2025-12-15

Organizations involved

Leaked or at risk

Unknown

Downtime

Unknown

What happened

2025-12-15
It announced the loss of a USB drive containing patient personal data. [1]

The USB drive held personal data on 1,162 patients. It was not encrypted, and the hospital says it cannot rule out a leak. [1]

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						Note
Ohara Memorial Kurashiki Central Medical Organization	[Breached]	[Moderate]	Okayama, Kurashiki	Medical care and welfare	Unknown