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Arcus Media is a ransomware group and Ransomware-as-a-Service operation that emerged in 2024 and has been described as technically advanced. The group has been associated with attacks against organizations across multiple regions, including Europe, Africa, North America, and Asia. Reported victims span technology, transportation and logistics, hospitality and tourism, consumer services, and public-sector organizations, indicating opportunistic multi-sector targeting rather than a narrow vertical focus. Arcus Media has also been characterized as focusing on industrial and critical infrastructure targets. The group conducts ransomware intrusions accompanied by data-theft extortion, with victim postings indicating breach claims and extortion deadlines. Arcus Media has been linked to theft of browser-stored credentials and broader tooling consolidation typical of mature ransomware operations. Its activity profile is consistent with financially motivated extortion operations that obtain unauthorized access, steal data, and pressure victims through leak-oriented coercion. Known aliases include arcusmedia and arcus_media.
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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.
1 indicator attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Conducting a ransomware attack resulting in a data breach against Perpustam in Malaysia.
Conducting a ransomware attack resulting in a data breach against gemese.pt.
Conducting a ransomware attack resulting in a data breach against Distribox.
Conducting a ransomware attack resulting in a data breach against Be Travel in South Africa's hospitality and tourism sector.
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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.
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Domains, IPs, and hashes tied to this actor, refreshed continuously.