> JapanHacked_
[Resolved][Severity: Moderate][Intrusion]

Hakusan Shinkin Bank: its website was accessed without authorization and part of its program was rewritten, and it was closed for about two days

Unauthorized access to its website rewrote part of the program and the site was closed. No leak of customers' personal data was confirmed.

Disclosed

2021-12-20

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. The day on which the unauthorized access to the website is believed to have occurred. [1]

  2. The unauthorized access came to light and it closed the website at 11:45. [1]

  3. It restored the website at 18:00. [1]

  4. It announced the case. [1]

Impact

Part of the website program was rewritten. Verification confirmed no effect on customers. No leak of personal data or misuse of internet banking was confirmed. [1]

Timeline

  1. Detected 2021-12-17
  2. Disclosed 2021-12-20
  3. 3 days

Attack or cause

Method
[Intrusion]
Impact
[Site defacement][Service outage]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]当金庫のホームページの一時閉鎖についてHakusan Shinkin Bank · 2021-12-20