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0day Syndicate is a ransomware threat actor publicly associated with data-theft and extortion activity against organizations in multiple countries, including the United States, Brazil, and Ghana. Reported victims span the technology and business services sectors, indicating opportunistic targeting rather than a narrowly specialized victimology. Observed operations attributed to 0day Syndicate involve ransomware incidents that are also characterized as data breaches, suggesting a double-extortion model in which unauthorized access and data exfiltration accompany encryption or the threat of encryption. Publicly linked victim cases indicate the group has targeted companies involved in AI development, automation, data intelligence, fraud prevention, outsourcing, logistics, security services, and digital content or application development. The actor is known under the name 0day Syndicate, with no other well-established aliases identified from the available information. There is currently no high-confidence public attribution tying 0day Syndicate to a specific nation state, intrusion set lineage, or malware family. Likewise, reliable public detail on its initial access methods, tooling, persistence mechanisms, or sub-group structure is currently not available. Based on reported victim disclosures, 0day Syndicate should be tracked as an active ransomware and extortion actor with cross-sector and cross-region targeting.
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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.