Square Enix: unauthorized logins to Square Enix accounts
On 19 October, Square Enix said it had found unauthorized logins to Square Enix accounts using email addresses or IDs and passwords apparently leaked from other services. It restricted logins on accounts suspected of being affected and asked users who reuse passwords to change them and use one-time passwords. It said it may reset passwords for all accounts if the attacks keep increasing. No numbers were given.
Disclosed
2026-10-19
Organizations involved
1
Leaked or at risk
Unknown
Downtime
Unknown
Timeline
- Disclosed 2026-10-19
- 1 days
Attack or cause
- Method
- [Credential abuse]
- Impact
- Entry point
- Stolen credentials
Data exposed or at risk
–
Services hit
Organizations involved
[Breached][Moderate]Tokyo, ShinjukuInformation and communications
Square Enix Co., Ltd.
Sources
- [1][News]スクエニアカウントに不正ログイン、他社で流出の情報使用か 全アカウントのパスワード強制リセットも視野にITmedia NEWS · 2026-10-19
- [2][News]スクエニ、アカウントへの不正ログイン確認 パスワード変更呼びかけCNET Japan · 2026-10-20