bestdata
bestdata is a threat actor name associated with the claimed sale of a 1.2 million record dataset described as French FICOBA banking leads. The available content states that the actor advertised the dataset on the open web and directed sales inquiries to a Telegram handle. The claimed victim set is the French banking sector and FICOBA, France’s national registry of bank accounts maintained by the French tax authority. The listing asserted that records from more than 15 financial institutions in France were represented, including BNP Paribas, Societe Generale, Credit Lyonnais (LCL), Credit Agricole, Caisse d'Epargne, Credit Mutuel, CIC, Banque Populaire, AXA Banque, Boursorama, Revolut, Monabanq, Carrefour Banque, HSBC, Allianz Banque, BRED, and BforBank. According to the listing, the data included full identities, dates and places of birth, French social security numbers, tax identifiers (SPI), IBANs, BIC/SWIFT codes, bank and branch details, account information, phone numbers, email addresses, addresses, relatives’ names and birthdates, and possible password fields. The content maps the activity to MITRE ATT&CK techniques T1589.001, T1213, T1657, and T1567. No additional aliases or sub-groups are provided in the content.
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Targeting
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Who they target
Sectors the actor has been observed targeting.
- Banks
- Financial Services
Where they target
Geographies tied to known operations.
- 🇫🇷 France
Tradecraft
4 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
Recent activity
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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