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[Investigating][Severity: Moderate][Unknown]

Token Corporation: cyberattack takes internal and customer systems offline

A network failure at Token Corporation turned out to be a cyberattack; it stopped some internal and customer-facing systems and is checking whether personal data was affected.

Disclosed

2026-10-28

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. A network failure hit its internal infrastructure; investigation showed an outside cyberattack. [1]

  2. It disclosed the attack and reported to the relevant ministries. Some internal and customer-facing systems whose safety is unconfirmed remain stopped. [1]

Impact

It has not named the stopped customer services or the method of attack. It is investigating whether and how far personal data was affected and will announce the results. [1]

Timeline

  1. Detected 2026-10-27
  2. Disclosed 2026-10-28
  3. 1 days

Attack or cause

Method
[Unknown]
Impact
[Service outage]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Sources

  1. [1][Official]当社システムへのサイバー攻撃に関するお知らせToken Corporation · 2026-10-28