Company
Internet Initiative Japan Inc.
Internet Initiative Japan Inc. (Chiyoda, Tokyo; Information and communications) appears in 2 related cybersecurity incidents. The latest was disclosed on 2025-11-11.
Profile
- Industry/type
- Information and communications
- Location
- Tokyo, Chiyoda
- Also known as
- IIJ
- Services
- Website
- https://www.iij.ad.jp/
Public figures
Employees3,174Non-consolidated2026-03-31
METI: GビズインフォRevenue¥286.3BNon-consolidated2026-03-31
METI: GビズインフォCapital¥23.1BNon-consolidated2026-03-31
METI: Gビズインフォ
Incident history
Disclosed 2025-11-11Updated 2026-10-23Tokyo[Contained][Severity: Moderate][Breached][Moderate]
National Diet Library: development environment intrusion; suspected leak ruled out[Intrusion]Leaked 40.4KOrganizations 2Disclosed 2025-04-15Updated 2026-10-23Tokyo[Contained][Severity: Critical][Breached][Critical]
IIJ: data leakage from IIJ Secure MX Service[Web app exploit][Data leak]Leaked 4.1MOrganizations 1