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[Investigating][Severity: Major][Malware]

Otsuchi Town: the water and sewer accounting system may have been infected with a virus and personal data of 566 people may have leaked

The water and sewer accounting system may have been infected with a virus, and names, addresses, phone numbers and account data of 566 people may have leaked.

Disclosed

2023-05-15

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. A failure occurred in which the accounting system used for payment processing for the water and sewer businesses could not start. It had the vendor holding the lease and maintenance contract check the system. [1] [2]

  2. It turned out that the system may have been infected with a computer virus. [1] [2]

  3. It mailed a notice and apology to the people concerned. [1]

  4. It announced the case on its website. [1] [2]

Impact

Those at risk are 566 individuals and corporate representatives in and outside the town, with names, addresses, phone numbers and account data. The cause, infection route and whether information leaked are under investigation, and it will report the result. [1] [2]

Timeline

  1. Started 2023-04-24
  2. Detected 2023-04-25
  3. Disclosed 2023-05-15
  4. 21 days

Attack or cause

Method
[Malware]
Impact
[Data leak]
Entry point
Unknown

Data exposed or at risk

[Name][Postal address][Phone number][Bank account]

Organizations involved

Open in organization search

Sources

  1. [1][Official]不正アクセスに伴う個人情報の漏えいのおそれがある事案が発生いたしました - 大槌町行政サイトOtsuchi Town · 2023-05-15
  2. [2][News]岩手県大槌町でウイルス感染、566名の個人情報が漏えいした可能性ScanNetSecurity · 2023-05-22 08:05