Toyota Motor Data Breach History

This page tracks the Toyota Motor data breach history and cybersecurity incidents affecting Toyota Motor (Japan). BreachHistory currently indexes 8 publicly disclosed or catalogued incidents spanning 2006 through 2024, with approximately 5.5 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 Toyota Motor 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 Toyota Motor Data Breaches

The largest indexed incidents include the 2019 — Toyota Motor: The personal information of roughly 3, 3.1M records, the 2023 T-Connect misconfigured cloud — 2.15M Japan, and the 2023 Car owner data leak — 260k, along with additional historical incidents involving exposed passwords, public databases, and large-scale data scraping. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Toyota Motor or a regulator. Below is the list of large data breaches:

• 2019 2019 — Toyota Motor: The personal information of roughly 3, 3.1M records — about 3.1M records exposed · Catalogued incident
• 2023 2023 T-Connect misconfigured cloud — 2.15M Japan — about 2.1M records exposed · Catalogued incident
• 2023 2023 Car owner data leak — 260k — about 260.0K records exposed · Catalogued incident
• 2018 2018 — Toyota Motor: Information on this security breach is provided by… — about 19.3K records exposed · Catalogued incident
• 2006 2006 — Toyota Motor: Laptop belonging to contractor and containing… — about 1.5K 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.

Toyota Motor Data Breach 2026

At the time of this update, no Toyota Motor 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 Toyota Motor 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 Toyota Motor 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.