> JapanHacked_
[Resolved][Severity: Major][Ransomware][Intrusion]

VIAX: its attendance server was hit by ransomware and data of up to 6,841 employees and dependents was encrypted

On April 1 its attendance and payroll server was encrypted, affecting up to 6,841 employees and dependents. No customer data was involved.

Disclosed

2022-06-01

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. At about 22:10 the server of its attendance and payroll system came under attack. [1] [2]

  2. At 8:15 a.m. it received word that the attendance system could not be accessed, and found that all user data on the server had been encrypted by ransomware. [1] [2]

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

Impact

Names, addresses, attendance data and paid salary data of up to 6,841 employees and dependents were affected. No customer or partner personal data was involved, and there was no secondary damage. The web server of the attendance system allowed remote desktop connection from outside during maintenance, and the password was probably guessed by brute force. [1]

Timeline

  1. Started 2022-04-01
  2. Detected 2022-04-02
  3. Disclosed 2022-06-01
  4. 61 days

Attack or cause

Method
[Ransomware][Intrusion]
Impact
[Service outage]
Entry point
Remote access

Data exposed or at risk

[Name][Postal address][Employment]

Organizations involved

Open in organization search

Sources

  1. [1][News]勤怠システムがランサムウェア被害 最大6841人の情報毀損ITmedia Business Online · 2022-06-03
  2. [2][News]ダイレクトマーケティングのヴィアックスの勤怠管理サーバにランサムウェア攻撃、総当たり攻撃でWebサーバに不正侵入した可能性ScanNetSecurity · 2022-06-10 08:05