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BlackDB was a cybercrime marketplace active from 2018 to 2025. It functioned as a criminal trading platform for stolen payment card data, compromised online accounts, server credentials, and personally identifiable information. The operation has been tied to Kosovo national Liridon Masurica, who pleaded guilty to operating the marketplace. BlackDB is best characterized as a financially motivated cybercrime service facilitating the sale and exchange of illicitly obtained access and data rather than as a nation-state espionage actor or ransomware group. High-confidence reporting supports its role in trafficking stolen credentials and compromised account data, indicating credential-theft and related criminal monetization activity.
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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.
Attributed origin per open-source reporting.
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Every observed MITRE ATT&CK technique, grouped by tactic.
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CVEs this actor has used in known campaigns.
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