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Hoover is a data-breach actor observed advertising allegedly stolen customer data from a Ukrainian e-commerce target on an underground forum. Publicly attributed activity in the available reporting is limited to the claimed possession and sale of a SQL database containing customer information from a Ukrainian retail website. This places the actor within the underground data-trading ecosystem rather than clearly within a nation-state, ransomware, or disruptive intrusion cluster. Based on the confirmed claim, Hoover has demonstrated involvement in data theft monetization and post-compromise sale of breached information. No high-confidence evidence in the available material supports attribution to a specific country, broader malware tooling, persistent campaign history, or additional aliases beyond the name Hoover.
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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.
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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.