Ransomware victim disclosure

Grimaldi Alliance

listed as grimaldialliance.com · Claimed by blackbasta · listed 1 year ago

1.5 TB

Data size

17m

Age

since listed · data leaked

Status timeline

Listed
Dec 18, 2024
Data leaked

At a glance

Group: blackbasta
Status: Data leaked
Country: Italy
Sector: Transportation/Logistics
Listed on leak site: Dec 18, 2024
Data size: 1.5 TB

About the victim

AI dossier — public-source company profile

Grimaldi Alliance is an international law firm based in Milan, Italy, providing comprehensive legal services to national and international clients. The firm operates across over 70 jurisdictions worldwide with a strong presence in Europe and the Americas.

Industry: Legal Services
Address: Corso Europa, 12, 20122 Milan, Italy

Attack summary

Severity: critical — Confirmed exfiltration of 1.5 TB including regulated sensitive data (employee PII, client PII, financial records, and confidential legal documents). Law firms hold protected client communications and privileged information, and exposure at this scale represents significant regulatory and reputational harm.

BlackBasta claims to have exfiltrated approximately 1.5 TB of data from Grimaldi Alliance, including corporate financial records, employee personal data, client information, and confidential legal documents. No encryption-only attack is mentioned; the claim focuses on data exfiltration and publication.

critical

Data the group says was taken

AI dossier — extracted from the leak post

Corporate data
Financial records and accounting documents
Payroll information
Employee personal data and HR documents
Client personal data and documents
Confidential legal documents
NDAs and contracts

What the group claims

Grimaldi Alliance is an international law firm based in Italy, known for providing comprehensive legal services to both national and international clients. Established as a significant player in the legal market, Grimaldi Alliance operates in over 70 jurisdictions worldwide, with a strong presence in Europe and the Americas.SITE: www.grimaldialliance.com Address : Corso Europa, 12 20122 Milan ItalyTEL#: +39 02 3030 9330ALL DATA SIZE: ≈1.5tb+ 1. Corp data, Financial data, Accounting, Payroll 2. HR, Personal employees data and documents 3. Personal clients data and documents 4. Confidential documents, NDA’s & etc…

Sources

Victim sitegrimaldialliance.com
Leak posthttp://stniiomyjliimcgkvdszvgen3eaaoz55hreqqx6o77yvmpwt7gklffqd.onion/?id=grimaldialliance.com

Source

Indexed 1 year ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About blackbasta

Black Basta is a financially motivated ransomware group that emerged in April 2022 and has rapidly established itself as a significant threat actor, compromising over 500 organizations globally within its first two years of operation. The group is suspected to have ties to Russia-based cybercriminal networks and operates as a Ransomware-as-a-Service (RaaS) model, recruiting affiliates to conduct attacks while the core group maintains the ransomware infrastructure and negotiates with victims. Black Basta primarily gains initial access through phishing campaigns, exploitation of unpatched vulnerabilities, and compromised Remote Desktop Protocol (RDP) credentials, then deploys custom tools and living-off-the-land techniques to move laterally through networks before deploying their ransomware payload that uses ChaCha20 encryption. The group employs double extortion tactics, stealing sensitive data before encryption and threatening to publish it on their leak site if ransom demands are not met. Notable campaigns include attacks on major manufacturing companies, healthcare organizations, and critical infrastructure entities primarily across the United States, United Kingdom, Germany, Canada, and Italy, with the group showing particular focus on business services, manufacturing, technology, agriculture and food production, and transportation/logistics sectors. As of 2024, Black Basta remains active and continues to evolve its tactics, techniques, and procedures while maintaining a steady pace of victim recruitment and ransom collection operations. The group has been linked to 523 public disclosures across our corpus. First observed on a leak site on April 26, 2022; most recent post January 11, 2025. The operation is currently inactive.

Timeline of this disclosure

December 18, 2024grimaldialliance.com listed by blackbastaon the group's public leak site

Data size: 1.5 TB

Other recent disclosures by blackbasta

blackbasta has been linked to 523 public victims on Darkfield. A sample of the most recent: