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Recent Breaches › GDEV Listed by coinbasecartel Ransomware Group

HIGH severityUnverified claimHow we verify

GDEV Listed by coinbasecartel Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·December 12, 2025
GDEV Listed by coinbasecartel Ransomware Group

Reported December 12, 2025.

HIGH
Severity
December 12, 2025
Disclosed
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GDEV has been listed by the coinbasecartel ransomware group, with internal files reported exfiltrated in an attack disclosed on 12 December 2025. The number of people affected has not been disclosed; individuals are advised to check whether their data may be involved and to take appropriate protective steps.

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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GDEV, a company listed on Nasdaq under the ticker GDEV, appeared on a leak site associated with the coinbasecartel ransomware group on December 12, 2025. The group states that internal files were taken during a ransomware operation. No figure has been released for the number of people affected, and no further technical details about the intrusion have been made public.

Inside the incident

The only confirmed information is the date the listing appeared and the group's assertion that files were removed from GDEV systems. The scale of the data removal, the method used to gain access, and whether any data was later published or used for extortion remain undisclosed. No statement from GDEV confirming or disputing the claim has been referenced in available reports.

The group behind it: coinbasecartel

Coinbasecartel is a ransomware operator that maintains a public leak site where it lists organisations it claims to have compromised. The group follows the common pattern of publishing victim names and sample material to pressure targets into payment. Its listing of GDEV constitutes an unverified claim by the actor; independent confirmation of the intrusion or the contents of any exfiltrated material has not been provided.

GDEV and its sector

GDEV operates as a gaming and entertainment company with a portfolio of development studios. Firms in this sector routinely manage customer accounts, payment information, gameplay data, and internal communications across multiple titles and platforms. A successful intrusion at such an organisation can expose both corporate records and information belonging to players or partners.

What was likely exposed

The listing refers only to “internal files exfiltrated in ransomware attack.” The precise categories of data have not been disclosed. Companies of this type commonly store employee records, business correspondence, source code, financial documents, and user databases; however, whether any of these specific categories were taken in this case is unconfirmed.

Why it matters

Even without a confirmed count of affected individuals, the exposure of internal files can create downstream risks including identity misuse, targeted phishing, or further criminal use of corporate information. For the organisation, the incident adds to operational costs associated with investigation, potential regulatory scrutiny, and restoration of systems.

What to do if you're exposed

Individuals who hold accounts with GDEV or its studios should monitor their email and financial accounts for unusual activity and enable multi-factor authentication where available. Changing passwords for any reused credentials is a prudent first step. Readers can run a free exposure scan of their email address against known breach data to determine 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

CompanyGDEV security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See GDEV’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by coinbasecartel — 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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