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Recent Breaches › Nintendo Company (Nintendo.com) Listed by shadowbyt3$ Ransomware Group

HIGH severityUnverified claimHow we verify

Nintendo Company (Nintendo.com) Listed by shadowbyt3$ Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·June 12, 2026
Nintendo Company (Nintendo.com) Listed by shadowbyt3$ Ransomware Group

Reported June 12, 2026.

HIGH
Severity
June 12, 2026
Disclosed
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Nintendo Company (Nintendo.com) has been listed by the shadowbyt3$ ransomware group, with internal files reported exfiltrated in an attack. The incident was disclosed on June 12, 2026; an undisclosed number of people may be affected, so check your accounts and monitor for unusual activity.

Severity & verification
HIGH severityUnverified claim
Data types not itemised.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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On June 12, 2026, the ransomware group shadowbyt3$ listed Nintendo Company (Nintendo.com) on its leak site. The group claims to have taken internal files measuring approximately 859 megabytes and set a deadline of June 15, 2026, for contact or payment. The number of individuals affected remains unknown, and no independent confirmation of the data’s contents or the incident’s scope has been made public.

Breaking down the breach

The listing states that roughly one gigabyte of material was removed during a ransomware operation. The group provided a link to a file repository as proof and referenced an internal tool called TINYpulse in its message. It demanded a ransom payment of two million dollars and warned that the material would be released if the deadline passed without contact. No further technical details, such as the initial access method or the exact systems involved, appear in the public claim.

Inside shadowbyt3$

Shadowbyt3$ describes itself as an extortion-as-a-service group. Such actors commonly advertise stolen material on dedicated leak sites and set short response windows to pressure targets. Public records show the group has previously listed other organisations in the same manner, though each claim requires separate verification. In this instance the group asserts both the volume of data and the ransom amount; those assertions remain unconfirmed by Nintendo or any third party.

About Nintendo Company (Nintendo.com)

Nintendo Company develops and publishes video games and operates online services that connect millions of users worldwide. Its platforms routinely process account credentials, purchase histories, device identifiers and support records. A claim involving internal files at such an organisation raises questions about employee systems and any connected third-party tools, even when the precise scope of exposure is still unclear.

What data was at risk

The listing refers only to “internal files.” No inventory of specific record types has been released. Organisations of this scale commonly store employee directories, internal communications, project documentation and logs from administrative platforms. Until Nintendo or a verified investigation publishes details, the exact categories of information cannot be stated with certainty.

The real-world impact

Exposure of internal files can create follow-on risks for staff whose contact details or credentials appear in the material. For the company, any confirmed loss of proprietary documents may affect operational planning and partner relationships. Individuals named in the files face the standard concerns associated with leaked corporate data: targeted phishing, account takeovers and potential misuse of any personal identifiers that were stored alongside work records.

What to do if you're exposed

Monitor official statements from Nintendo for guidance on any confirmed exposure. Change passwords for work-related accounts and enable multi-factor authentication where available. Review bank and email accounts for unusual activity. Readers can run a free exposure scan of their email address against known breach data to check whether their information has appeared in previously published datasets.

AICompiled with AI assistance from public sources and published under our editorial standards.

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

Attributed to

Method

CompanyNintendo Company (Nintendo.com) security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See Nintendo Company (Nintendo.com)’s full breach history →

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Read GalaxyWarden’s full analysis of the Nintendo Company (Nintendo.com) Listed by shadowbyt3$ Ransomware Group →

Source: threat-actor leak-site listing

Publicly posted by shadowbyt3 — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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