PHP Vulnerability Responses by Company

Quartet Communications

Japan-based services
Aliases / services
株式会社カルテットコミュニケーションズ / Lisket / リスケット / イマカラ / Quartet Communications
Official website
https://quartet-communications.com/

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

Response status by service

Advertising agency service website

Response status
Security measures completed
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Advertising operations, DX support and management tools.

Explicitly covered by the October 23 notice of completed patching and other measures.

Scope: This website only; not proof of customer-site or Lisket application patching.

What users should do

Use normally; contact support if problems arise.

Official service URL

Source URLs

  1. Website response to PHP vulnerabilitieshttps://quartet-communications.com/info/news/96486Response evidence
  2. https://quartet-communications.com/category/info/newshttps://quartet-communications.com/category/info/newsService and operation documentation
  3. https://quartet-communications.com/info/listing/column/96488https://quartet-communications.com/info/listing/column/96488Service and operation documentation

DX service website

Response status
Security measures completed
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Explicitly covered by the October 23 notice of completed patching and other measures.

Scope: This website only; not proof of customer-site or Lisket application patching.

What users should do

Use normally; contact support if problems arise.

Source URLs

  1. Website response to PHP vulnerabilitieshttps://quartet-communications.com/info/news/96486Response evidence
  2. https://quartet-communications.com/category/info/newshttps://quartet-communications.com/category/info/newsService and operation documentation
  3. https://quartet-communications.com/info/listing/column/96488https://quartet-communications.com/info/listing/column/96488Service and operation documentation

Imakara service website

Response status
Security measures completed
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Explicitly covered by the October 23 notice of completed patching and other measures.

Scope: This website only; not proof of customer-site or Lisket application patching.

What users should do

Use normally; contact support if problems arise.

Source URLs

  1. Website response to PHP vulnerabilitieshttps://quartet-communications.com/info/news/96486Response evidence
  2. https://quartet-communications.com/category/info/newshttps://quartet-communications.com/category/info/newsService and operation documentation
  3. https://quartet-communications.com/info/listing/column/96488https://quartet-communications.com/info/listing/column/96488Service and operation documentation

Lisket support website

Response status
Security measures completed
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Explicitly covered by the October 23 notice of completed patching and other measures.

Scope: This website only; not proof of customer-site or Lisket application patching.

What users should do

Use normally; contact support if problems arise.

Source URLs

  1. Website response to PHP vulnerabilitieshttps://quartet-communications.com/info/news/96486Response evidence
  2. https://quartet-communications.com/category/info/newshttps://quartet-communications.com/category/info/newsService and operation documentation
  3. https://quartet-communications.com/info/listing/column/96488https://quartet-communications.com/info/listing/column/96488Service and operation documentation

Advertising management during customer-site downtime

Response status
Individual pause/resume assistance
Response information checked
2026-10-27

Current re-audit: Official response verified · Research date: 2026-10-27

Staff coordinate ad pauses and resumption on request when customer sites are unavailable for this incident.

Scope: Advertising operations, not a claim of customer PHP patching.

What users should do

Tell your contact about downtime and expected recovery.

Source URLs

  1. Website response to PHP vulnerabilitieshttps://quartet-communications.com/info/news/96486Response evidence
  2. https://quartet-communications.com/category/info/newshttps://quartet-communications.com/category/info/newsService and operation documentation
  3. https://quartet-communications.com/info/listing/column/96488https://quartet-communications.com/info/listing/column/96488Response evidence
Related official sources
  1. Website response to PHP vulnerabilitiesOfficial notice
  2. Company and operator informationOfficial information directory

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