Betsudaikohsan: ransomware, with a threat to sell the data

On 25 October 2024 Betsudaikohsan, a real estate company in Oita Prefecture, disclosed a ransomware attack on its servers and related equipment. According to Nikkei xTECH, the servers became unusable around 7:40 on 24 October, and the screen said the attackers had copied data including personal data and would sell it to third parties unless paid. Its third report of 18 November said one way in may have been a misconfigured security device installed by a contractor, which has been fixed. Log analysis showed data may have been taken out, but only the amount is known; the kinds and number of personal records and the people affected may never be determined.