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Cyber Threat
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Ransomware victim Business Services

marthamedeiros.com.br

Listed by Madliberator on · organisation based in Brazil

marthamedeiros.com.br

Disclosed
Oct 1, 2024
Leak-site listing date
Threat group
Madliberator
16 victims listed
Country
Brazil
#7 most targeted
Sector
Business Services

ThreatAI analysis

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

About the Madliberator group

MadLiberator is a ransomware group that emerged in mid-2024, known for erratic behavior including randomized ransom demands and unpredictable encryption patterns, targeting government entities including the Italian Ministry of Culture and using a data leak site to post exfiltrated files. Madliberator has listed 16 victims since May 2024.

Incident analysis

marthamedeiros.com.br was listed by Madliberator ransomware, a group with 16 victims recorded in this database. The listing appeared on the group's leak site on October 1, 2024.

marthamedeiros.com.br is based in Brazil and operates in the Business Services sector. Brazil ranks #7 worldwide for ransomware disclosures, with 532 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.

Madliberator 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files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished.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 marthamedeiros.com.br attacked by ransomware?

Yes. marthamedeiros.com.br was listed as a victim of the Madliberator ransomware group on October 1, 2024. The organisation is based in Brazil and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked marthamedeiros.com.br?

marthamedeiros.com.br was attacked by Madliberator ransomware. Madliberator is one of the most active ransomware groups, having claimed 16 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the marthamedeiros.com.br ransomware attack occur?

The ransomware attack on marthamedeiros.com.br was disclosed on October 1, 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 marthamedeiros.com.br ransomware attack?

The specific data stolen from marthamedeiros.com.br 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, marthamedeiros.com.br likely held sensitive business data, client information, and operational records.

How can organisations protect against Madliberator attacks?

To defend against Madliberator 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.