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Cyber Threat
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Ransomware victim Manufacturing

Stellantis

Listed by Shinyhunters on · organisation based in Netherlands

stellantis.com

Disclosed
Oct 3, 2025
Leak-site listing date
Threat group
Shinyhunters
168 victims listed
Country
Netherlands
#22 most targeted
Sector
Manufacturing

ThreatAI analysis

Compiled from this incident record and the threat intelligence profile for Shinyhunters. Figures and technique mappings are quoted from the source data, not inferred.

About the Shinyhunters group

ShinyHunters is a financially motivated data-theft and extortion group active since 2020, responsible for high-profile breaches including Ticketmaster (via Snowflake) and PowerSchool; by 2025 they launched a RaaS offering called "shinysp1d3r," and in August 2025 French authorities arrested four members. Shinyhunters has listed 161 victims since April 2024.

How Shinyhunters is documented to operate

Data from Information Repositories T1213 Collection

Adversaries may leverage information repositories to mine valuable information. Information repositories are tools that allow for storage of information, typically to facilitate collaboration or information sharing between users, and can store a wide variety of data that may aid adversaries in further objectives, such as Credential Access, Lateral Movement, or Defense Evasion, or direct access to the target information. Adversaries may also abuse external sharing features to share sensitive documents with recipients outside of the organization (i.e., Transfer Data to Cloud Account).

Mitigations: User Training, Out-of-Band Communications Channel, User Account Management, Multi-factor Authentication, Software Configuration, Audit

MITRE ATT&CK reference
Exfiltration Over Web Service T1567 Exfiltration

Adversaries may use an existing, legitimate external Web service to exfiltrate data rather than their primary command and control channel. Popular Web services acting as an exfiltration mechanism may give a significant amount of cover due to the likelihood that hosts within a network are already communicating with them prior to compromise. Firewall rules may also already exist to permit traffic to these services. Web service providers also commonly use SSL/TLS encryption, giving adversaries an added level of protection.

Mitigations: Restrict Web-Based Content, Data Loss Prevention

MITRE ATT&CK reference
Data Encrypted for Impact T1486 Impact

Adversaries may encrypt data on target systems or on large numbers of systems in a network to interrupt availability to system and network resources. They can attempt to render stored data inaccessible by encrypting files or data on local and remote drives and withholding access to a decryption key. This may be done in order to extract monetary compensation from a victim in exchange for decryption or a decryption key (ransomware) or to render data permanently inaccessible in cases where the key is not saved or transmitted.

Mitigations: Data Backup, Behavior Prevention on Endpoint

MITRE ATT&CK reference

MITRE ATT&CK techniques attributed to Shinyhunters across its recorded activity, not a finding about how Stellantis was reached.

Vulnerabilities Shinyhunters is recorded exploiting

3 of these 3 are in the CISA Known Exploited Vulnerabilities catalog, 2 of them recorded by CISA as used in ransomware campaigns. CVEs attributed to Shinyhunters across its reported activity. There is no indication that any of these was involved in the Stellantis incident — the source data does not record an entry point.

Incident analysis

Stellantis was listed by Shinyhunters ransomware, a group with 168 victims recorded in this database. The listing appeared on the group's leak site on October 3, 2025.

Stellantis is based in Netherlands and operates in the Manufacturing sector. Netherlands ranks #22 worldwide for ransomware disclosures, with 147 victims in this database.

Sector context. Manufacturing companies are frequently targeted because production downtime directly translates to financial loss. Ransomware operators exploit this time-sensitivity to demand higher ransoms and faster payment.

Shinyhunters typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was Stellantis attacked by ransomware?

Yes. Stellantis was listed as a victim of the Shinyhunters ransomware group on October 3, 2025. The organisation is based in Netherlands and operates in the Manufacturing sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Stellantis?

Stellantis was attacked by Shinyhunters ransomware. Shinyhunters is one of the most active ransomware groups, having claimed 168 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Stellantis ransomware attack occur?

The ransomware attack on Stellantis was disclosed on October 3, 2025. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the Stellantis ransomware attack?

The specific data stolen from Stellantis has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Manufacturing organisation, Stellantis likely held sensitive business data, client information, and operational records.

How can organisations protect against Shinyhunters attacks?

To defend against Shinyhunters and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.