KEI CORPORATION co., Ltd.
- Aliases / services
- b2-online / 有限会社ケイ・コーポレーション / 赤ブーブー通信社 / b2-online NAVIO / 株式会社ケイ・コーポレーション / KEI CORPORATION co., Ltd.
- Official website
- https://www.b2-online.jp/
Sources identifying the operating company
Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.
Response status by service
Listed services and systems
- Response status
- b2-online does not use PHP
- Response information checked
- 2026-10-27 Rechecked: 2026-10-27
Event registration and NAVIO services operated by K Corporation.
Its October 21 notice states that b2-online does not use PHP and is unaffected. Separately, applications for the Aplus-provided b2 card reopened at 15:40 on October 22.
What users should do
Use b2-online normally; consult Aplus notices for card procedures.
Official service URL
Source URLs
- PHP2Shell response and scopehttps://www.b2-online.jp/event/information/Response evidence
- Operating entityhttps://www.b2-online.jp/navio/policy/public/Service and operation documentation
Related official sources
- PHP2Shell response and scopeOfficial notice
- Operating entityOfficial information directory
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