Skip to content
Cyber Threat
CTI Academy Sponsor CTI Academy
Ransomware victim Business Services

Transitions Pro Centre Val de Loire

Listed by Prinzeugen on · organisation based in France

transitionspro-cvl.fr

Disclosed
May 16, 2026
Leak-site listing date
Threat group
Prinzeugen
5 victims listed
Country
France
#6 most targeted
Sector
Business Services

ThreatAI analysis

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

About the Prinzeugen group

Prinzeugen has listed 5 victims since February 2026.

Incident analysis

Transitions Pro Centre Val de Loire was listed by Prinzeugen ransomware, a group with 5 victims recorded in this database. The listing appeared on the group's leak site on May 16, 2026.

Transitions Pro Centre Val de Loire is based in France and operates in the Business Services sector. France ranks #6 worldwide for ransomware disclosures, with 569 victims in this database.

Sector context. Business services firms often have access to multiple client environments, making them high-value pivot points for ransomware operators seeking to maximise impact across multiple victim organisations.

Prinzeugen 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 Transitions Pro Centre Val de Loire attacked by ransomware?

Yes. Transitions Pro Centre Val de Loire was listed as a victim of the Prinzeugen ransomware group on May 16, 2026. The organisation is based in France and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Transitions Pro Centre Val de Loire?

Transitions Pro Centre Val de Loire was attacked by Prinzeugen ransomware. Prinzeugen is one of the most active ransomware groups, having claimed 5 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Transitions Pro Centre Val de Loire ransomware attack occur?

The ransomware attack on Transitions Pro Centre Val de Loire was disclosed on May 16, 2026. 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 Transitions Pro Centre Val de Loire ransomware attack?

The specific data stolen from Transitions Pro Centre Val de Loire 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 Business Services organisation, Transitions Pro Centre Val de Loire likely held sensitive business data, client information, and operational records.

How can organisations protect against Prinzeugen attacks?

To defend against Prinzeugen 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.