Observed arrival · 2026-10-13
なぜ漏れた: A Japanese breach-cause database
A filterable database organizes publicly announced Japanese data breaches by intrusion route, prevention difficulty, industry, and disclosure status.
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Readers tracking Japanese data breaches and their causes
- Worth noticing
- Filters include prevention difficulty and disclosure status, alongside intrusion route, industry, and publication year.
Field notes
The listing gives each incident a cause label and a prevention assessment, including a category for cases where public disclosures do not provide enough facts to judge. Its filters also let readers narrow by industry, disclosure status, and year. The homepage describes a methodology section and a correction-request route; it says incident pages distinguish reported facts from estimates.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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