Incidents in Jun 2026
Publication date: Dates are source publication dates (JST), not occurrence dates.
Published incidents: 31AI development: 22Data leaks & unauthorized access: 9
Days with incidents
- Jun 1, 2026 · 1 caseClaude Code
- Jun 3, 2026 · 1 caseFujita Health University Hospital
- Jun 5, 2026 · 1 caseClaude Code multi-agent operation: governance incident group
- Jun 8, 2026 · 1 caseClaude Code
- Jun 9, 2026 · 1 caseShared dependency folder lost through parallel work by Claude Code and Codex
- Jun 10, 2026 · 3 casesClaude Code · Survey of iOS LLM-integrated apps · Kyushu University
- Jun 12, 2026 · 4 casesClaude Code · Claude Code · OpenAI Codex
- Jun 15, 2026 · 4 casesACT1000 · Daitsu Shisutemu · Superioru Adobantekku
- Jun 17, 2026 · 1 caseClaude Code
- Jun 19, 2026 · 2 casesOpenAI Codex · OpenAI Codex
- Jun 21, 2026 · 3 casesClaude Code · Claude Code · Claude Code
- Jun 23, 2026 · 1 caseBIGLOBE 'BIGLOBE Mail'
- Jun 25, 2026 · 1 caseClaude Code
- Jun 26, 2026 · 3 casesOpenAI Codex · Generative-AI-built ransomware case: 19-year-old company employee in Otsu · Claude Code
- Jun 27, 2026 · 2 casesClaude Code · Claude Code
- Jun 29, 2026 · 1 caseNihon Gotochi Character Kyokai
- Jun 30, 2026 · 1 caseAflac Life Insurance Japan Ltd.