Katashina Kogen / Daito Development

Confirmed:Confirmed by the organisation, a regulator or a securities filing. First reported 30 Oct 2026.

Katashina Kogen says 253 subscriber records viewed via Wai-Mail

Katashina Kogen and Daito Development disclosed on 30 October 2026 that emails and names of 253 subscribers were viewed following a phishing compromise at the 'Wai-Mail' vendor. The organisations published the notice.

Type: Supply chain
Sector: Hospitality
Records: 253 records confirmed
First reported: 30 Oct 2026
Latest source: 30 Oct 2026

What to do

Update the affected app or extension to the version the vendor names as clean.
If you installed a compromised version, change passwords you used on that machine.

Not sure? Ask an assistant with the sources attached, or have a coding agent check your systems.

What it means for you

Claude ChatGPT

Check your systems for Katashina Kogen / Daito Development

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Sources

satimo.org30 Oct 2026satimo.org/2026/10/data-breach-list-2026

Confidence 55% that this is real and correctly placed. Locations are city centroids at best. Spotted an error? Report a correction.

What to do

Sources

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