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ANDST HD (formerly Adastria) Data Breach History

Retail / Apparel Japan
Website

Japanese apparel retail holding group (formerly Adastria) that operates the and ST brand, stores and online store.

This page shows all data breaches of ANDST HD (formerly Adastria). View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

1Total breaches
2.5MRecords breached
October 2026Last breach
34 AI Breach Risk score Moderate

Data Breach Timeline — All ANDST HD (formerly Adastria) Breaches

ANDST HD (formerly Adastria) Data Breach Summary

This page tracks the ANDST HD (formerly Adastria) data breach history and cybersecurity incidents affecting ANDST HD (formerly Adastria) (Japan). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 2.5 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 ANDST HD (formerly Adastria) 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 ANDST HD (formerly Adastria) Data Breaches

The largest indexed incidents include the 2026 ANDST HD (formerly Adastria) — unauthorised access to business servers; about…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by ANDST HD (formerly Adastria) or a regulator. Below is the list of large data breaches:

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, passwords and login credentials, phone numbers, names, physical addresses, payment card and financial account data, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

ANDST HD (formerly Adastria) Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to ANDST HD (formerly Adastria). Most recent entry: 2026 ANDST HD (formerly Adastria) — unauthorised access to business servers; about 2.5M customer records and 10K partner records may have leaked. 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 ANDST HD (formerly Adastria) 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 ANDST HD (formerly Adastria) 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.

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