Square EnixSquare Enix Account

1MinorPossibleAnnounced

Square Enix confirmed unauthorized logins to Square Enix Accounts using email or ID and password pairs believed leaked from other online services. The number of accounts is undisclosed.

This incident was imported from a dataset that compiles public announcements, and we are still checking it against the sources. Counts and causes will be updated after the check. Sources are in Japanese.

Cause
Account takeover
Sector
Media & publishing
Operational impact
None

Data involved

DataStatusCountGroupEvidence
OtherPossible leakNot disclosed—Source(opens in a new tab)

Counts are the figures the organization announced. Because the same person may be counted more than once, we do not add the rows together.

Tools for this kind of attack

Picked from the cause of the incident: tools that help you check your own systems for the same kind of weakness, or spot the warning signs.

Wazuh

Impact Local only
wazuh/wazuh

A free security platform (SIEM/XDR) that collects logs, configuration, and vulnerability data from agents on your endpoints and shows it all in one dashboard.

Purpose
Defense
Type
Self-hosted server
Difficulty
Advanced
License
CopyleftGPL-2.0(一部の構成要素は Apache-2.0)
Category
Vulnerability scanning / Forensics
Actively updatedstars17,410Last update 2026-10-24
Read the Wazuh review

Sources

  1. スクウェア・エニックス 公式発表(初報)jp.finalfantasyxiv.com · Published 2026-10-19(opens in a new tab)