Media and books
@cosme
@cosme (run by istyle Inc.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-11-02 13:00.
About the service
- Website
- https://www.cosme.net/
- Run by
- Category
- Media and books
- For
- People
Incident history
Disclosed 2026-11-02 13:00Updated 2026-11-02 15:04Tokyo[Investigating][Severity: Critical][Breached][Critical]
istyle: @cosme leak exposes names, addresses and profiles of about 3 million members[Intrusion][Data leak]Leaked 3MOrganizations 1
Other incidents of the operator (1)
Disclosed 2026-10-19Updated 2026-10-30Aichi, Fukuoka, Kanagawa, Osaka, Saitama, Tokyo[Investigating][Severity: Critical]
Ymirlink: Cuenote FC mail system intrusion[Web app exploit][Data leak]Leaked 51.6MOrganizations 32