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Cyber Threat
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Ransomware victim Business Services

tendam.es

Listed by Valencialeaks on · organisation based in Spain

tendam.es

Disclosed
Sep 18, 2024
Leak-site listing date
Threat group
Valencialeaks
5 victims listed
Country
Spain
#9 most targeted
Sector
Business Services

ThreatAI analysis

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

About the Valencialeaks group

ValenciaLeaks is a data-extortion group that surfaced in August–September 2024, focused on exfiltrating large volumes of data and publishing it on a dedicated leak site, with documented victims including the City of Pleasanton, CA (283 GB exfiltrated) and pharmaceutical firm Duo Pharma Biotech. Valencialeaks has listed 5 victims since September 2024.

Incident analysis

tendam.es was listed by Valencialeaks ransomware, a group with 5 victims recorded in this database. The listing appeared on the group's leak site on September 18, 2024.

tendam.es is based in Spain and operates in the Business Services sector. Spain ranks #9 worldwide for ransomware disclosures, with 482 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.

Valencialeaks 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 tendam.es attacked by ransomware?

Yes. tendam.es was listed as a victim of the Valencialeaks ransomware group on September 18, 2024. The organisation is based in Spain and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked tendam.es?

tendam.es was attacked by Valencialeaks ransomware. Valencialeaks 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 tendam.es ransomware attack occur?

The ransomware attack on tendam.es was disclosed on September 18, 2024. 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 tendam.es ransomware attack?

The specific data stolen from tendam.es 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, tendam.es likely held sensitive business data, client information, and operational records.

How can organisations protect against Valencialeaks attacks?

To defend against Valencialeaks 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.