Honda Data Breach History

This page tracks the Honda data breach history and cybersecurity incidents affecting Honda (Japan). BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2011 through 2020, with approximately 609 thousand 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 Honda 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 Honda Data Breaches

The largest indexed incidents include the 2011 — Honda: Data breach reported, 300K records, the 2011 — Honda: Names, addresses and vehicle identification numbers…, and the 2020 — cloud exposed database. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Honda or a regulator. Below is the list of large data breaches:

• 2011 2011 — Honda: Data breach reported, 300K records — about 300.0K records exposed · Catalogued incident
• 2011 2011 — Honda: Names, addresses and vehicle identification numbers… — about 283.0K records exposed · Catalogued incident
• 2020 2020 — cloud exposed database — about 26.0K records exposed · Catalogued incident

What Information Was Exposed?

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

Honda Data Breach 2026

At the time of this update, no Honda 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 Honda 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 Honda 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.