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[Investigating][Severity: Moderate][Ransomware]

Tokio Marine Holdings: its Singapore group company Tokio Marine Insurance Singapore was hit by a ransomware attack, with no sign of a customer data leak

Tokio Marine Insurance Singapore was hit by ransomware. There is no sign of a breach of customer or confidential data, and other group companies are not affected.

Disclosed

2021-08-16

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. Tokio Marine Holdings announced that its group company Tokio Marine Insurance Singapore Ltd. (TMiS) had been hit by a ransomware attack. After detection the network was isolated at once and local authorities were notified. [1] [2]

What is known

At this point there is no indication that customer information or the group's confidential information was breached. An external specialist is analyzing the systems as a third party to verify the scope of impact. Only TMiS was affected and other group companies were not. [1]

Timeline

  1. Disclosed 2021-08-16
  2. 1 days

Attack or cause

Method
[Ransomware]
Impact
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]Cyber Incident at Tokio Marine Insurance Singapore Ltd.Tokio Marine Holdings, Inc. · 2021-08-16
  2. [2][News]東京海上ホールディングスのシンガポールグループ会社にランサムウェア攻撃ScanNetSecurity · 2021-08-19 08:00