A ransomware attack disrupted IDCF Cloud zones. Separately, the cloud portal records of 48 companies were improperly viewed. No data exfiltration has been 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.
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
Change your password
Change the password on other services where you reused it
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 2026-10-24Read the review