> JapanHacked_
[Resolved][Severity: Major][Phishing]

Okayama University Hospital: a doctor's personal cloud service ID and password were stolen by phishing, leaving a file with information on 269 patients open to the attacker

A file on 269 patients, kept in a doctor's personal cloud against rules, became viewable by the attacker. Systems such as electronic records were not accessed.

Disclosed

2021-08-04

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. The ID and password of a cloud service used personally by a doctor of Okayama University Hospital were stolen by phishing, and the doctor lost access to data tied to that ID. [1]

  2. It began mailing explanations and apologies to the patients concerned. [1]

  3. It announced the case. [1] [2]

Impact

The cloud held, against university rules, a file of patient information on a total of 269 people collected to check the course of treatment, and it was open to the attacker. No misuse was confirmed, and no unauthorized access to the university's core systems or electronic medical records was found. [1]

Timeline

  1. Started, Detected 2021-07-23
  2. Disclosed 2021-08-04
  3. 12 days

Attack or cause

Method
[Phishing]
Impact
[Data leak]
Entry point
Stolen credentials

Data exposed or at risk

[Name][Health data]

Organizations involved

Open in organization search

Sources

  1. [1][Official]フィッシング詐欺による患者情報漏洩インシデントの発生についてOkayama University · 2021-08-04
  2. [2][News]岡山大学病院の医師にフィッシング攻撃、クラウドサービスのデータにアクセスできずScanNetSecurity · 2021-08-10 08:00