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Cyber Infrastructure (CIS) Falls Victim to J Group Ransomware

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📌 Overview

The ransomware collective known as J Group has claimed responsibility for a data breach involving Cyber Infrastructure (CIS), a U.S.-registered software development and IT services firm. The attackers claim to have exfiltrated 130 GB of data, including contents from Nextcloud, local GitLab repositories, and Redmine project management systems. The stolen data is reportedly being offered for sale via their dark web portal, with pricing to be negotiated through Tox.


📊 Key Details

AttributeInformation
Date2025-06-20, 8:06:11 AM
Threat ActorJ Group
Victim CountryUSA
IndustryInformation Technology (IT) Services
Victim OrganizationCyber Infrastructure (CIS)
Victim Sitecisin.com
CategoryRansomware
SeverityMedium
Networktor

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