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DDoSia is a pro-Russian hacktivist threat group associated with distributed denial-of-service operations against public-sector and critical-infrastructure targets. The group has been observed conducting high-volume disruptive campaigns rather than intrusion-focused espionage or financially motivated activity. Reported activity includes repeated attacks against Belgian government entities and provincial institutions, as part of a broader wave of more than 1,200 DDoS attacks targeting Belgian critical infrastructure in December 2025. DDoSia’s known behavior in this reporting is centered on service disruption through repeated denial-of-service attacks. No high-confidence evidence is available here linking the group to ransomware, data theft, credential theft, or other post-compromise tradecraft.
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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 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.