Wingarc1stnest Portal

2LowPossibleAnnounced Updated

Misuse of an administrator account on Commune may have exposed company names, titles, names and contacts of about 1,200 people. nest Portal was suspended.

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, Via a vendor or service
Sector
IT, cloud & telecom
Operational impact
Some services stopped

Data involved

DataStatusCountGroupEvidence
NamePossible leakabout 1,200 people—Source(opens in a new tab)
Email addressPossible leakabout 1,200 people—Source(opens in a new tab)
Postal addressPossible leakabout 1,200 people—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.

What users should do

  • Watch for emails and texts pretending to be the company

General steps based on the type of data involved. Check the organization’s notice or help line to see whether you are affected.

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. 当社ユーザー向け交流サイト「nest Portal」における個人情報漏えいの可能性に関するお詫びとご報告corp.wingarc.com · Published 2026-10-08(opens in a new tab)
  2. 【重要】当社サービス「Commune」、「Commune for Work」への不正アクセスによる個人情報の漏えいに関するお詫びとお知らせcommuneinc.com · Published 2026-10-09(opens in a new tab)