CAMPFIRE

1MinorInvestigatingAnnounced

Unauthorized access to an admin GitHub account, followed by access to cloud systems, affected about 226,000 users, some with bank account details. One improper export of personal data is confirmed.

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
Occurred
2026-04-02
Sector
IT, cloud & telecom
Operational impact
None

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 2026-10-21
Read the Vuls review

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

Suricata

Impact Reaches others
OISF/suricata

An intrusion detection and prevention engine (IDS/IPS) that matches network traffic against rules and records suspicious activity as alerts.

Purpose
Defense
Type
Self-hosted server
Difficulty
Intermediate
License
CopyleftGPL-2.0
Category
Network
Actively updatedstars6,773Last update 2026-10-23
Read the Suricata review

Sources

  1. 不正アクセス事案にかかる調査結果についてcampfire.co.jp(opens in a new tab)
  2. GitHubアカウントへの不正アクセス発生に関するお知らせとお詫びcampfire.co.jp · Published 2026-04-03(opens in a new tab)
  3. GitHubアカウントへの不正アクセス発生に関するお知らせとお詫び(第二報)campfire.co.jp · Published 2026-04-14(opens in a new tab)
  4. GitHubアカウントへの不正アクセス発生に関するお知らせとお詫び(第三報)campfire.co.jp · Published 2026-04-22(opens in a new tab)
  5. 【重要】弊社システムへの不正アクセスによる個人情報漏えいの可能性に関するお詫びとご報告campfire.co.jp · Published 2026-04-24(opens in a new tab)
  6. 【続報】不正アクセスによる情報漏えい可能性の範囲についてcampfire.co.jp · Published 2026-04-27(opens in a new tab)