Nintendo Data Breach History

This page tracks the Nintendo data breach history and cybersecurity incidents affecting Nintendo (Japan). BreachHistory currently indexes 6 publicly disclosed or catalogued incidents spanning 2013 through 2026, with approximately 706 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 Nintendo 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, while 2 remain unverified claims pending independent verification.

Largest Nintendo Data Breaches

The largest indexed incidents include the 2020 — Nintendo: Hacking, 300,000 records, the 2013 — Nintendo: Japan's Club Nintendo service was hacked following…, and the 2020 — Nintendo: Approximately 160,000 Nintendo accounts were…, 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 Nintendo or a regulator. Below is the list of large data breaches:

• 2020 2020 — Nintendo: Hacking, 300,000 records — about 300.0K records exposed · Catalogued incident
• 2013 2013 — Nintendo: Japan's Club Nintendo service was hacked following… — about 240.0K records exposed · Catalogued incident
• 2020 2020 — Nintendo: Approximately 160,000 Nintendo accounts were… — about 160.0K records exposed · Catalogued incident
• 2016 2016 — Nintendo: As reported by Health and Human Services hacking/IT… — about 6.2K records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, names, payment card and financial account data, health and medical (PHI) records, dates of birth, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Nintendo Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to Nintendo. Most recent entry: 2026 Nintendo of America — TinyPulse employee survey data stolen (confirmed); ShadowByte$ extortion. 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 Nintendo 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 Nintendo 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.