Observed arrival · 2026-10-30
A sourced index of Japan’s security incidents
Incident News organizes publicly disclosed or reported security incidents in Japan by attack method, industry, and year, alongside security explainers and a free site-configuration check.
- For
- People tracking security incidents in Japan
- Worth noticing
- The site labels cases based on reporting when it could not confirm an affected organization’s own disclosure, and links to its sources.
Field notes
The index presents counts by attack method, industry, and year, with the homepage showing 188 cases and 316 source items. Its source notes distinguish organizational announcements, regulator publications, and press coverage, and it says cases that cannot be assessed automatically are checked by a staff member. The optional domain check covers four externally visible configuration areas and says results are not saved.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue