株式会社宣伝会議

Companies / web services

Aliases / services: 宣伝会議 / Sendenkaigi / 株式会社宣伝会議
Official website: https://www.sendenkaigi.co.jp/

Sources identifying the operating company

https://prtimes.jp/main/html/rd/p/000000856.000002888.html

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

Response status by service

Sendenkaigi email newsletters

Response status: Not listed
Response information checked: 2026-10-29

Current re-audit: Related incident verified; PHP connection not stated · Research date: 2026-10-29

The 27 October 2026 notice states that an initial exclusion on 21 October was corrected on 26 October: newsletter email addresses, names, employer details, occupations and prefectures were likely disclosed through Cuenote FC. No card data was registered; the count was still under investigation.

Scope: A PHP connection and response to the current PHP vulnerabilities are not listed.

What users should do

Watch for unexpected email and suspicious links. Contact the dedicated channel in the official notice if concerned.

Official service URL

https://www.sendenkaigi.co.jp/

Source URLs

Official operator informationhttps://prtimes.jp/main/html/rd/p/000000856.000002888.htmlService and operation documentation

Related official sources

Official operator informationOfficial information directoryOfficial evidence identifying 株式会社宣伝会議 and the relevant business.
Potential customer data disclosure (27 October 2026)Official notice; link to this PHP incident unconfirmedThe 27 October 2026 notice states that an initial exclusion on 21 October was corrected on 26 October: newsletter email addresses, names, employer details, occupations and prefectures were likely disclosed through Cuenote FC.