K Auction security incident history
Hacking, data breaches and other security incidents involving K Auction, with related coverage.
Incidents: 1 · Most recent
K Auction personal data left in backups after service termination possibly leaked
↳ Knock-on damage from the DOUZONE BIZON incident · View original incidentA breach of a Douzone Bizon backup server raised the possibility that personal information of K Auction employees and business contacts was leaked. K Auction ended its use of Douzone Bizon's cloud service in May 2026, but the related data remained on the backup server. On 31 October, K Auction announced the possible leak on its website.
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