Alibaba Group Data Breach History

This page tracks the Alibaba Group data breach history and cybersecurity incidents affecting Alibaba Group (China). BreachHistory currently indexes 5 publicly disclosed or catalogued incidents spanning 2016 through 2022, with approximately 12.0 billion 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 Alibaba Group 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 Alibaba Group Data Breaches

The largest indexed incidents include the 2022 Cloud storage breach — 11B pieces, the 2022 Shanghai police database — 1B records, and the 2016 Taobao (Alibaba) — 20M users. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Alibaba Group or a regulator. Below is the list of large data breaches:

• 2022 2022 Cloud storage breach — 11B pieces — about 11.0B records exposed · Catalogued incident
• 2022 2022 Shanghai police database — 1B records — about 1.0B records exposed · Catalogued incident
• 2016 2016 Taobao (Alibaba) — 20M users — about 20.0M records exposed · Catalogued incident

What Information Was Exposed?

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

Alibaba Group Data Breach 2026

At the time of this update, no Alibaba Group data breach has been catalogued for 2026. 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 Alibaba Group 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 Alibaba Group 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.