PHP Vulnerability Responses by Company

Keita Shimada CPA & Tax Accountant Office

Japan-based services
Aliases / services
嶋田景太公認会計士・税理士事務所 / 嶋田景太 / Keita Shimada CPA & Tax Accountant Office / shimada-cpa.com
Official website
https://shimada-cpa.com/

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Official website and business systems

Response status
No PHP; unaffected
Response information checked
2026-10-27 Rechecked: 2026-10-27

The October 22 notice states that its website and business systems do not use PHP. Unused related domains were stopped on October 21 as a precaution; email continued.

What users should do

Continue using the website and email. Check separate business websites with their hosting providers.

Official service URL

Source URLs

  1. Keita Shimada CPA & Tax Accountant Office: PHP vulnerability responsehttps://shimada-cpa.com/blog/php-vulnerability-2026-10-notice/Response evidence
Related official sources
  1. Keita Shimada CPA & Tax Accountant Office: PHP vulnerability responseOfficial notice
  2. Keita Shimada CPA & Tax Accountant Office: Operator informationOfficial information directory

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