Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) Data Breach History
WebsiteConsumer-facing Japanese property search and rental listing ecosystems; April 2026 criminal-forum marketing described a multi-portal subscriber dataset spanning several major brands.
This page shows all data breaches of Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX). View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) Breaches
Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) Data Breach Summary
This page tracks the Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) data breach history and cybersecurity incidents affecting Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) (Japan). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 2.4 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.
Largest Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) Data Breaches
The largest indexed incidents include the 2026 Japan — criminal-forum marketed bundle touching SUUMO, CHINTAI, At Home, HOME…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) or a regulator. Below is the list of large data breaches:
- 2026 2026 Japan — criminal-forum marketed bundle touching SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX — about 2.4M records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include names, health and medical (PHI) records, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) Data Breach 2026
At the time of this update, BreachHistory catalogues 1 2026 incident related to Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX). Most recent entry: 2026 Japan — criminal-forum marketed bundle touching SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This Japanese real estate portals (SUUMO, CHINTAI, At Home, HOME'S, Ouchino, Chintai EX) breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.