Investigating

Joyfull: data of 23,585 employees/applicants and relatives may have leaked via contractor Zynas cyber-attack

Contractor Zynas confirmed unauthorised access to a subcontractor hand-off server on January 29, 2026; its March 26 notice says Joyfull employee/applicant/relative data may be in scope (Joyfull’s own PDF returned HTTP404 at collection time, so the contractor official notice is cited).

Last updated: 2026-11-09

Overview

23,585 people in scope (per-field subsets not summed). Name, address, bank and medical-history fields vary by subject. No card fields stated.

Timeline

UnknownOccurred
2026-01-29Discovered
2026-03-26Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Be wary of emails, SMS or calls impersonating the organisation; do not open links or attachments or enter passwords or card details. Change reused passwords on other services.

Sources

当社が取り扱うジョイフル従業員、求職者及びその関係者の個人情報漏えいのおそれについて株式会社ザイナス · 2026-11-09

Joyfull: data of 23,585 employees/applicants and relatives may have leaked via contractor Zynas cyber-attack

Overview

Timeline

Organization response

What you can do

Sources

Related information

No published information yet

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