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0day Syndicate is a ransomware threat actor observed conducting attacks that result in data breaches across multiple countries. Reported victims include organizations in the United States, Brazil, and Ghana. Observed targeting spans technology companies and business services firms, including organizations involved in AI development, automation, data integration, fraud prevention, logistics, security, and outsourcing services. Available reporting supports the assessment that the group conducts ransomware operations and associated data theft or breach activity, but does not provide high-confidence detail on its origin, tooling, intrusion methods, or broader organizational structure. Known aliases include 0daysyndicate and 0day_syndicate.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
1 distinct technique observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Conducting a ransomware attack against Braincell, a technology-sector organization.
Conducting a ransomware attack against XL Africa Group, a business services company in Ghana.
Conducting a ransomware attack against dxon.com.br, a Brazilian company providing data intelligence and fraud prevention solutions.
Conducting a ransomware attack against GoKids, a US-based technology company that creates educational mobile apps, games, and content for toddlers.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.