Anabuki Housing Group confirms ransomware leak of 207,773 personal records

Anabuki Housing Group said in its 6th official update that ransomware hit some of its servers on 3 February 2026, and that the number of personal records that may have leaked is now confirmed at 207,773 ^[1]. It said attackers entered through a vulnerability in a group company's network equipment and then moved laterally; data the attackers posted was not on ordinary search engines, but may still be used to impersonate the group or related bodies by phone, email or post ^[1]. The group asks people to be cautious of unexpected contacts and suspicious emails or attachments, hang up on suspicious calls, not use phone numbers, URLs or email addresses in unexpected documents, and consult the nearest police station if they fear follow-on fraud ^[1].

Industries mainly affected: Professional services

1. Be wary of unexpected contacts and suspicious emails or attachments ^[1].
2. Hang up on suspicious calls and do not use phone numbers, URLs or email addresses in unexpected documents .