Unauthorized access was detected on some group company websites, and safety checks and recovery are underway. Whether personal data leaked is under investigation.
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
Unauthorized access
Sector
Retail & e-commerce
Operational impact
Some services stopped
##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.
Vuls
Impact Reaches others
future-architect/vuls
An agentless vulnerability scanner that checks the packages installed on a server and lists the ones affected by known CVEs.
Purpose
Defense
Type
Command line
Difficulty
Intermediate
License
CopyleftGPL-3.0
Category
Vulnerability scanning
Actively updatedstars12,302Last update 2026-10-21Read the review
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 2026-10-24Read the review