
Nintendo of America Employee Data Stolen in TinyPulse Third-Party Breach
Nintendo of America confirmed on June 18, 2026, that internal employee survey data was stolen from TinyPulse, a third-party employee engagement SaaS solution owned by WebMD Health Services. The 'Shadowbyt3$' extortion group claimed responsibility, stating they exfiltrated approximately 1GB of data, including employee names, email addresses, analytics, survey data, bank statements, and W-9 forms. Nintendo's own systems and customer data were not compromised.
Signal context
First seen: Jun 18, 2026
Last updated: Jun 25, 2026
Status: Public signal
Key points
- Nintendo of America confirmed data theft on June 18, 2026.
- Data was stolen from TinyPulse, a third-party SaaS provider used by Nintendo.
- The 'Shadowbyt3$' extortion group claimed responsibility for the breach.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: possible insider or internal misuse
Impact area: Confidentiality
Likely asset: User or customer data
- 26 signals in the same sector
- 95 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
June 2026 Data Breaches: List Major Incidents & Latest Updates - SharkStrikerhttps://sharkstriker.com/blog/june-2026-data-breaches/Public source from sharkstriker.com.
AI-Driven Threats, Zero-Days, and Data Breaches Define This Week in Cybersecurity for June 2026 | eSecurity Planethttps://www.esecurityplanet.com/weekly-roundup/ai-driven-threats-zero-days-and-data-breaches-define-this-week-in-cybersecurity-for-june-2026/Public source from esecurityplanet.com.
Nintendo confirms data stolen in WebMD subsidiary cyberattack - Bleeping Computerhttps://www.bleepingcomputer.com/news/security/nintendo-confirms-data-stolen-in-webmd-subsidiary-cyberattack/Public source from bleepingcomputer.com.
Nintendo confirms employee survey data stolen from third-party service | brief | SC Mediahttps://www.scmagazine.com/brief/nintendo-confirms-employee-survey-data-stolen-from-third-party-servicePublic source from scmagazine.com.
Nintendo confirms data stolen in WebMD subsidiary cyberattack - BleepingComputerhttps://www.bleepingcomputer.com/news/security/nintendo-confirms-data-stolen-in-webmd-subsidiary-cyberattack/Public source from bleepingcomputer.com.
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